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<h1><a href="compute_alpha.html">Compute Engine API</a> . <a href="compute_alpha.backendBuckets.html">backendBuckets</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
  <code><a href="#addSignedUrlKey">addSignedUrlKey(project, backendBucket, body=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Adds a key for validating requests with signed URLs for this backend</p>
<p class="toc_element">
  <code><a href="#aggregatedList">aggregatedList(project, filter=None, includeAllScopes=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, serviceProjectNumber=None, x__xgafv=None)</a></code></p>
<p class="firstline">Retrieves the list of all BackendBucket resources, regional and global,</p>
<p class="toc_element">
  <code><a href="#aggregatedList_next">aggregatedList_next()</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
  <code><a href="#close">close()</a></code></p>
<p class="firstline">Close httplib2 connections.</p>
<p class="toc_element">
  <code><a href="#delete">delete(project, backendBucket, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Deletes the specified BackendBucket resource.</p>
<p class="toc_element">
  <code><a href="#deleteSignedUrlKey">deleteSignedUrlKey(project, backendBucket, keyName, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Deletes a key for validating requests with signed URLs for this backend</p>
<p class="toc_element">
  <code><a href="#get">get(project, backendBucket, x__xgafv=None)</a></code></p>
<p class="firstline">Returns the specified BackendBucket resource.</p>
<p class="toc_element">
  <code><a href="#getIamPolicy">getIamPolicy(project, resource, optionsRequestedPolicyVersion=None, x__xgafv=None)</a></code></p>
<p class="firstline">Gets the access control policy for a resource. May be empty if no such</p>
<p class="toc_element">
  <code><a href="#insert">insert(project, body=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Creates a BackendBucket resource in the specified project using</p>
<p class="toc_element">
  <code><a href="#list">list(project, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, x__xgafv=None)</a></code></p>
<p class="firstline">Retrieves the list of BackendBucket resources available to the specified</p>
<p class="toc_element">
  <code><a href="#listUsable">listUsable(project, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, x__xgafv=None)</a></code></p>
<p class="firstline">Retrieves a list of all usable backend buckets in the specified project.</p>
<p class="toc_element">
  <code><a href="#listUsable_next">listUsable_next()</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
  <code><a href="#list_next">list_next()</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
  <code><a href="#patch">patch(project, backendBucket, body=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Updates the specified BackendBucket resource with the data included in the</p>
<p class="toc_element">
  <code><a href="#setEdgeSecurityPolicy">setEdgeSecurityPolicy(project, backendBucket, body=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Sets the edge security policy for the specified backend bucket.</p>
<p class="toc_element">
  <code><a href="#setIamPolicy">setIamPolicy(project, resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Sets the access control policy on the specified resource.</p>
<p class="toc_element">
  <code><a href="#testIamPermissions">testIamPermissions(project, resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Returns permissions that a caller has on the specified resource.</p>
<p class="toc_element">
  <code><a href="#update">update(project, backendBucket, body=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Updates the specified BackendBucket resource with the data included in the</p>
<h3>Method Details</h3>
<div class="method">
    <code class="details" id="addSignedUrlKey">addSignedUrlKey(project, backendBucket, body=None, requestId=None, x__xgafv=None)</code>
  <pre>Adds a key for validating requests with signed URLs for this backend
bucket.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to which the Signed URL Key should be
added. The name should conform to RFC1035. (required)
  body: object, The request body.
    The object takes the form of:

{ # Represents a customer-supplied Signing Key used by Cloud CDN Signed URLs
  &quot;keyName&quot;: &quot;A String&quot;, # Name of the key. The name must be 1-63 characters long, and comply withRFC1035.
      # Specifically, the name must be 1-63 characters long and match the regular
      # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
      # character must be a lowercase letter, and all following characters must
      # be a dash, lowercase letter, or digit, except the last character, which
      # cannot be a dash.
  &quot;keyValue&quot;: &quot;A String&quot;, # 128-bit key value used for signing the URL. The key value must be a validRFC
      # 4648 Section 5 base64url encoded string.
}

  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="aggregatedList">aggregatedList(project, filter=None, includeAllScopes=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, serviceProjectNumber=None, x__xgafv=None)</code>
  <pre>Retrieves the list of all BackendBucket resources, regional and global,
available to the specified project.

To prevent failure, it is recommended that you set the
`returnPartialSuccess` parameter to `true`.

Args:
  project: string, Name of the project scoping this request. (required)
  filter: string, A filter expression that filters resources listed in the response. Most
Compute resources support two types of filter expressions:
expressions that support regular expressions and expressions that follow
API improvement proposal AIP-160.
These two types of filter expressions cannot be mixed in one request.

If you want to use AIP-160, your expression must specify the field name, an
operator, and the value that you want to use for filtering. The value
must be a string, a number, or a boolean. The operator
must be either `=`, `!=`, `&gt;`, `&lt;`, `&lt;=`, `&gt;=` or `:`.

For example, if you are filtering Compute Engine instances, you can
exclude instances named `example-instance` by specifying
`name != example-instance`.

The `:*` comparison can be used to test whether a key has been defined.
For example, to find all objects with `owner` label use:
```
labels.owner:*
```

You can also filter nested fields. For example, you could specify
`scheduling.automaticRestart = false` to include instances only
if they are not scheduled for automatic restarts. You can use filtering
on nested fields to filter based onresource labels.

To filter on multiple expressions, provide each separate expression within
parentheses. For example:
```
(scheduling.automaticRestart = true)
(cpuPlatform = &quot;Intel Skylake&quot;)
```
By default, each expression is an `AND` expression. However, you
can include `AND` and `OR` expressions explicitly.
For example:
```
(cpuPlatform = &quot;Intel Skylake&quot;) OR
(cpuPlatform = &quot;Intel Broadwell&quot;) AND
(scheduling.automaticRestart = true)
```

If you want to use a regular expression, use the `eq` (equal) or `ne`
(not equal) operator against a single un-parenthesized expression with or
without quotes or against multiple parenthesized expressions. Examples:

`fieldname eq unquoted literal`
`fieldname eq &#x27;single quoted literal&#x27;`
`fieldname eq &quot;double quoted literal&quot;`
`(fieldname1 eq literal) (fieldname2 ne &quot;literal&quot;)`

The literal value is interpreted as a regular expression using GoogleRE2 library syntax.
The literal value must match the entire field.

For example, to filter for instances that do not end with name &quot;instance&quot;,
you would use `name ne .*instance`.

You cannot combine constraints on multiple fields using regular
expressions.
  includeAllScopes: boolean, Indicates whether every visible scope for each scope type (zone, region,
global) should be included in the response. For new resource types added
after this field, the flag has no effect as new resource types will always
include every visible scope for each scope type in response. For resource
types which predate this field, if this flag is omitted or false, only
scopes of the scope types where the resource type is expected to be found
will be included.
  maxResults: integer, The maximum number of results per page that should be returned.
If the number of available results is larger than `maxResults`,
Compute Engine returns a `nextPageToken` that can be used to get
the next page of results in subsequent list requests. Acceptable values are
`0` to `500`, inclusive. (Default: `500`)
  orderBy: string, Sorts list results by a certain order. By default, results
are returned in alphanumerical order based on the resource name.

You can also sort results in descending order based on the creation
timestamp using `orderBy=&quot;creationTimestamp desc&quot;`. This sorts
results based on the `creationTimestamp` field in
reverse chronological order (newest result first). Use this to sort
resources like operations so that the newest operation is returned first.

Currently, only sorting by `name` or
`creationTimestamp desc` is supported.
  pageToken: string, Specifies a page token to use. Set `pageToken` to the
`nextPageToken` returned by a previous list request to get
the next page of results.
  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case
of failure. The default value is false.

For example, when partial success behavior is enabled, aggregatedList for a
single zone scope either returns all resources in the zone or no resources,
with an error code.
  serviceProjectNumber: string, The Shared VPC service project id or service project number for which
aggregated list request is invoked for subnetworks list-usable api.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    {
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;items&quot;: { # A list of BackendBucketsScopedList resources.
    &quot;a_key&quot;: { # Name of the scope containing this set of BackendBuckets.
      &quot;backendBuckets&quot;: [ # A list of BackendBuckets contained in this scope.
        { # Represents a Cloud Storage Bucket resource.
            #
            # This Cloud Storage bucket resource is referenced by a URL map of a load
            # balancer. For more information, readBackend Buckets.
          &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
          &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
            &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
                # Pragma or Authorization headers. Up to 5 headers can be specified.
                # The cache is bypassed for all cdnPolicy.cacheMode settings.
              { # Bypass the cache when the specified request headers are present,
                  # e.g. Pragma or Authorization headers. Values are case insensitive.
                  # The presence of such a header overrides the cache_mode setting.
                &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
                    # Values are case-insensitive.
              },
            ],
            &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
                # Cloud CDN.
              &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
                &quot;A String&quot;,
              ],
              &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
                  # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
                  # and not treated as delimiters.
                &quot;A String&quot;,
              ],
            },
            &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
                # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
                # headers to cache content. Responses without these headers will not be
                # cached at Google&#x27;s edge, and will require a full trip to the origin on
                # every request, potentially impacting performance and increasing load on
                # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
                # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
                # Warning: this may result in Cloud CDN caching private,
                # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
                # including common image formats, media (video and audio), and web assets
                # (JavaScript and CSS). Requests and responses that are marked as
                # uncacheable, as well as dynamic content (including HTML), will not be
                # cached.
                #
                # If no value is provided for cdnPolicy.cacheMode, it defaults
                # to CACHE_ALL_STATIC.
            &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
                # used to clamp the max-age (or Expires) value sent to the client.  With
                # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
                # response max-age directive, along with a &quot;public&quot; directive.  For
                # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
                # from the origin (if specified), or else sets the response max-age
                # directive to the lesser of the client_ttl and default_ttl, and also
                # ensures a &quot;public&quot; cache-control directive is present.
                # If a client TTL is not specified, a default value (1 hour) will be used.
                # The maximum allowed value is 31,622,400s (1 year).
            &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
                # responses that do not have an existing valid TTL (max-age or s-maxage).
                # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
                # The value of defaultTTL cannot be set to a value greater than that of
                # maxTTL, but can be equal.
                # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
                # will overwrite the TTL set in all responses. The maximum allowed value is
                # 31,622,400s (1 year), noting that infrequently accessed objects may be
                # evicted from the cache before the defined TTL.
            &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
                # origin.
                # Cache directives that attempt to set a max-age or s-maxage higher than
                # this, or an Expires header more than maxTTL seconds in the future will
                # be capped at the value of maxTTL, as if it were the value of an
                # s-maxage Cache-Control directive.
                # Headers sent to the client will not be modified.
                # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
                # The maximum allowed value is 31,622,400s (1 year), noting that
                # infrequently accessed objects may be evicted from the cache before
                # the defined TTL.
            &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
                # to apply fine-grained caching for common errors or redirects.
                # This can reduce the load on your origin and improve end-user
                # experience by reducing response latency.
                # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
                # negative caching applies to responses with the specified response code
                # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
                # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
                # to all responses with the specified response code, and override any
                # caching headers.
                # By default, Cloud CDN will apply the following default TTLs to these
                # status codes:
                # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
                # HTTP 404 (Not Found), 410 (Gone),
                # 451 (Unavailable For Legal Reasons): 120s
                # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
                # These defaults can be overridden in negative_caching_policy.
            &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
                # negative_caching must be enabled to configure negative_caching_policy.
                # Omitting the policy and leaving negative_caching enabled will use
                # Cloud CDN&#x27;s default cache TTLs.
                # Note that when specifying an explicit negative_caching_policy, you
                # should take care to specify a cache TTL for all response codes
                # that you wish to cache. Cloud CDN will not apply any default
                # negative caching when a policy exists.
              { # Specify CDN TTLs for response error codes.
                &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
                    # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
                    # specified as values, and you cannot specify a status code more than
                    # once.
                &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
                    # corresponding status code.
                    # The maximum allowed value is 1800s (30 minutes), noting that
                    # infrequently accessed objects may be evicted from the cache before the
                    # defined TTL.
              },
            ],
            &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
                # requests into a small number of requests to the origin.
            &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
                # content with the origin, or when an error is encountered when refreshing
                # the cache.
                # This setting defines the default &quot;max-stale&quot; duration for any cached
                # responses that do not specify a max-stale directive. Stale responses that
                # exceed the TTL configured here will not be served. The default limit
                # (max-stale) is 86400s (1 day), which will allow stale content to be
                # served up to this limit beyond the max-age (or s-maxage) of a cached
                # response.
                # The maximum allowed value is 604800 (1 week).
                # Set this to zero (0) to disable serve-while-stale.
            &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
                # considered fresh. After this time period, the response will be
                # revalidated before being served. Defaults to 1hr (3600s).  When serving
                # responses to signed URL requests, Cloud CDN will internally behave as
                # though all responses from this backend had a &quot;Cache-Control:
                # public, max-age=[TTL]&quot; header, regardless of any existing
                # Cache-Control header. The actual headers served in responses will not be
                # altered.
            &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
              &quot;A String&quot;,
            ],
          },
          &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
              # the client&#x27;s Accept-Encoding header.
          &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
              # text format.
          &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
            &quot;A String&quot;,
          ],
          &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
              # when the resource is created.
          &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
              # this backend bucket.
          &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
          &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
          &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
          &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
              # load balancer.
              #
              # If loadBalancingScheme is not specified, the backend bucket can be used by
              # classic global external load balancers, or global application external load
              # balancers, or both.
          &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
              # The name must be 1-63 characters long, and comply withRFC1035.
              # Specifically, the name must be 1-63 characters long and match the regular
              # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
              # character must be a lowercase letter, and all following characters must
              # be a dash, lowercase letter, or digit, except the last character, which
              # cannot be a dash.
          &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
              # as part of resource payload.
            &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
                # Tag keys and values have the same definition as resource
                # manager tags. The field is allowed for INSERT
                # only. The keys/values to set on the resource should be specified in
                # either ID { : } or Namespaced format
                # { : }.
                # For example the following are valid inputs:
                # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
                # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
                # Note:
                # * Invalid combinations of ID &amp; namespaced format is not supported. For
                #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
              &quot;a_key&quot;: &quot;A String&quot;,
            },
          },
          &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
              # resides. This field is not applicable to global backend buckets.
              # You must specify this field as part of the HTTP request URL. It is
              # not settable as a field in the request body.
          &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
          &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
          &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
            {
              &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
                  # BackendBucket.
            },
          ],
        },
      ],
      &quot;warning&quot;: { # Informational warning which replaces the list of
          # backend services when the list is empty.
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
            # Engine returns NO_RESULTS_ON_PAGE if there
            # are no results in the response.
        &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
            # value format. For example:
            #
            # &quot;data&quot;: [
            #   {
            #    &quot;key&quot;: &quot;scope&quot;,
            #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
            #   }
          {
            &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
                # returned. For example, for warnings where there are no results in a list
                # request for a particular zone, this key might be scope and
                # the key value might be the zone name. Other examples might be a key
                # indicating a deprecated resource and a suggested replacement, or a
                # warning about invalid network settings (for example, if an instance
                # attempts to perform IP forwarding but is not enabled for IP forwarding).
            &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
          },
        ],
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#backendBucketAggregatedList&quot;, # Type of resource.
  &quot;nextPageToken&quot;: &quot;A String&quot;, # [Output Only] This token allows you to get the next page of results for
      # list requests. If the number of results is larger thanmaxResults, use the nextPageToken as a value for
      # the query parameter pageToken in the next list request.
      # Subsequent list requests will have their own nextPageToken to
      # continue paging through the results.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource.
  &quot;warning&quot;: { # [Output Only] Informational warning message.
    &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
        # Engine returns NO_RESULTS_ON_PAGE if there
        # are no results in the response.
    &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
        # value format. For example:
        #
        # &quot;data&quot;: [
        #   {
        #    &quot;key&quot;: &quot;scope&quot;,
        #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
        #   }
      {
        &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
            # returned. For example, for warnings where there are no results in a list
            # request for a particular zone, this key might be scope and
            # the key value might be the zone name. Other examples might be a key
            # indicating a deprecated resource and a suggested replacement, or a
            # warning about invalid network settings (for example, if an instance
            # attempts to perform IP forwarding but is not enabled for IP forwarding).
        &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
  },
}</pre>
</div>

<div class="method">
    <code class="details" id="aggregatedList_next">aggregatedList_next()</code>
  <pre>Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call &#x27;execute()&#x27; on to request the next
          page. Returns None if there are no more items in the collection.
        </pre>
</div>

<div class="method">
    <code class="details" id="close">close()</code>
  <pre>Close httplib2 connections.</pre>
</div>

<div class="method">
    <code class="details" id="delete">delete(project, backendBucket, requestId=None, x__xgafv=None)</code>
  <pre>Deletes the specified BackendBucket resource.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to delete. (required)
  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="deleteSignedUrlKey">deleteSignedUrlKey(project, backendBucket, keyName, requestId=None, x__xgafv=None)</code>
  <pre>Deletes a key for validating requests with signed URLs for this backend
bucket.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to which the Signed URL Key should be
added. The name should conform to RFC1035. (required)
  keyName: string, The name of the Signed URL Key to delete. (required)
  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="get">get(project, backendBucket, x__xgafv=None)</code>
  <pre>Returns the specified BackendBucket resource.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to return. (required)
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents a Cloud Storage Bucket resource.
    #
    # This Cloud Storage bucket resource is referenced by a URL map of a load
    # balancer. For more information, readBackend Buckets.
  &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
  &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
    &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
        # Pragma or Authorization headers. Up to 5 headers can be specified.
        # The cache is bypassed for all cdnPolicy.cacheMode settings.
      { # Bypass the cache when the specified request headers are present,
          # e.g. Pragma or Authorization headers. Values are case insensitive.
          # The presence of such a header overrides the cache_mode setting.
        &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
            # Values are case-insensitive.
      },
    ],
    &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
        # Cloud CDN.
      &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
        &quot;A String&quot;,
      ],
      &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
          # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
          # and not treated as delimiters.
        &quot;A String&quot;,
      ],
    },
    &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
        # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
        # headers to cache content. Responses without these headers will not be
        # cached at Google&#x27;s edge, and will require a full trip to the origin on
        # every request, potentially impacting performance and increasing load on
        # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
        # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
        # Warning: this may result in Cloud CDN caching private,
        # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
        # including common image formats, media (video and audio), and web assets
        # (JavaScript and CSS). Requests and responses that are marked as
        # uncacheable, as well as dynamic content (including HTML), will not be
        # cached.
        #
        # If no value is provided for cdnPolicy.cacheMode, it defaults
        # to CACHE_ALL_STATIC.
    &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
        # used to clamp the max-age (or Expires) value sent to the client.  With
        # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
        # response max-age directive, along with a &quot;public&quot; directive.  For
        # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
        # from the origin (if specified), or else sets the response max-age
        # directive to the lesser of the client_ttl and default_ttl, and also
        # ensures a &quot;public&quot; cache-control directive is present.
        # If a client TTL is not specified, a default value (1 hour) will be used.
        # The maximum allowed value is 31,622,400s (1 year).
    &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
        # responses that do not have an existing valid TTL (max-age or s-maxage).
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The value of defaultTTL cannot be set to a value greater than that of
        # maxTTL, but can be equal.
        # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
        # will overwrite the TTL set in all responses. The maximum allowed value is
        # 31,622,400s (1 year), noting that infrequently accessed objects may be
        # evicted from the cache before the defined TTL.
    &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
        # origin.
        # Cache directives that attempt to set a max-age or s-maxage higher than
        # this, or an Expires header more than maxTTL seconds in the future will
        # be capped at the value of maxTTL, as if it were the value of an
        # s-maxage Cache-Control directive.
        # Headers sent to the client will not be modified.
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The maximum allowed value is 31,622,400s (1 year), noting that
        # infrequently accessed objects may be evicted from the cache before
        # the defined TTL.
    &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
        # to apply fine-grained caching for common errors or redirects.
        # This can reduce the load on your origin and improve end-user
        # experience by reducing response latency.
        # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
        # negative caching applies to responses with the specified response code
        # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
        # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
        # to all responses with the specified response code, and override any
        # caching headers.
        # By default, Cloud CDN will apply the following default TTLs to these
        # status codes:
        # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
        # HTTP 404 (Not Found), 410 (Gone),
        # 451 (Unavailable For Legal Reasons): 120s
        # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
        # These defaults can be overridden in negative_caching_policy.
    &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
        # negative_caching must be enabled to configure negative_caching_policy.
        # Omitting the policy and leaving negative_caching enabled will use
        # Cloud CDN&#x27;s default cache TTLs.
        # Note that when specifying an explicit negative_caching_policy, you
        # should take care to specify a cache TTL for all response codes
        # that you wish to cache. Cloud CDN will not apply any default
        # negative caching when a policy exists.
      { # Specify CDN TTLs for response error codes.
        &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
            # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
            # specified as values, and you cannot specify a status code more than
            # once.
        &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
            # corresponding status code.
            # The maximum allowed value is 1800s (30 minutes), noting that
            # infrequently accessed objects may be evicted from the cache before the
            # defined TTL.
      },
    ],
    &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
        # requests into a small number of requests to the origin.
    &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
        # content with the origin, or when an error is encountered when refreshing
        # the cache.
        # This setting defines the default &quot;max-stale&quot; duration for any cached
        # responses that do not specify a max-stale directive. Stale responses that
        # exceed the TTL configured here will not be served. The default limit
        # (max-stale) is 86400s (1 day), which will allow stale content to be
        # served up to this limit beyond the max-age (or s-maxage) of a cached
        # response.
        # The maximum allowed value is 604800 (1 week).
        # Set this to zero (0) to disable serve-while-stale.
    &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
        # considered fresh. After this time period, the response will be
        # revalidated before being served. Defaults to 1hr (3600s).  When serving
        # responses to signed URL requests, Cloud CDN will internally behave as
        # though all responses from this backend had a &quot;Cache-Control:
        # public, max-age=[TTL]&quot; header, regardless of any existing
        # Cache-Control header. The actual headers served in responses will not be
        # altered.
    &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
      &quot;A String&quot;,
    ],
  },
  &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
      # the client&#x27;s Accept-Encoding header.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
      # text format.
  &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
    &quot;A String&quot;,
  ],
  &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
      # when the resource is created.
  &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
      # this backend bucket.
  &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
      # load balancer.
      #
      # If loadBalancingScheme is not specified, the backend bucket can be used by
      # classic global external load balancers, or global application external load
      # balancers, or both.
  &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
      # The name must be 1-63 characters long, and comply withRFC1035.
      # Specifically, the name must be 1-63 characters long and match the regular
      # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
      # character must be a lowercase letter, and all following characters must
      # be a dash, lowercase letter, or digit, except the last character, which
      # cannot be a dash.
  &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
      # as part of resource payload.
    &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
        # Tag keys and values have the same definition as resource
        # manager tags. The field is allowed for INSERT
        # only. The keys/values to set on the resource should be specified in
        # either ID { : } or Namespaced format
        # { : }.
        # For example the following are valid inputs:
        # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
        # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
        # Note:
        # * Invalid combinations of ID &amp; namespaced format is not supported. For
        #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
      &quot;a_key&quot;: &quot;A String&quot;,
    },
  },
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
      # resides. This field is not applicable to global backend buckets.
      # You must specify this field as part of the HTTP request URL. It is
      # not settable as a field in the request body.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
    {
      &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
          # BackendBucket.
    },
  ],
}</pre>
</div>

<div class="method">
    <code class="details" id="getIamPolicy">getIamPolicy(project, resource, optionsRequestedPolicyVersion=None, x__xgafv=None)</code>
  <pre>Gets the access control policy for a resource. May be empty if no such
policy or resource exists.

Args:
  project: string, Project ID for this request. (required)
  resource: string, Name or id of the resource for this request. (required)
  optionsRequestedPolicyVersion: integer, Requested IAM Policy version.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # An Identity and Access Management (IAM) policy, which specifies access
    # controls for Google Cloud resources.
    #
    #
    # A `Policy` is a collection of `bindings`. A `binding` binds one or more
    # `members`, or principals, to a single `role`. Principals can be user
    # accounts, service accounts, Google groups, and domains (such as G Suite). A
    # `role` is a named list of permissions; each `role` can be an IAM predefined
    # role or a user-created custom role.
    #
    # For some types of Google Cloud resources, a `binding` can also specify a
    # `condition`, which is a logical expression that allows access to a resource
    # only if the expression evaluates to `true`. A condition can add constraints
    # based on attributes of the request, the resource, or both. To learn which
    # resources support conditions in their IAM policies, see the
    # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
    #
    # **JSON example:**
    #
    # ```
    #     {
    #       &quot;bindings&quot;: [
    #         {
    #           &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
    #           &quot;members&quot;: [
    #             &quot;user:mike@example.com&quot;,
    #             &quot;group:admins@example.com&quot;,
    #             &quot;domain:google.com&quot;,
    #             &quot;serviceAccount:my-project-id@appspot.gserviceaccount.com&quot;
    #           ]
    #         },
    #         {
    #           &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
    #           &quot;members&quot;: [
    #             &quot;user:eve@example.com&quot;
    #           ],
    #           &quot;condition&quot;: {
    #             &quot;title&quot;: &quot;expirable access&quot;,
    #             &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
    #             &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
    #           }
    #         }
    #       ],
    #       &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
    #       &quot;version&quot;: 3
    #     }
    # ```
    #
    # **YAML example:**
    #
    # ```
    #     bindings:
    #     - members:
    #       - user:mike@example.com
    #       - group:admins@example.com
    #       - domain:google.com
    #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
    #       role: roles/resourcemanager.organizationAdmin
    #     - members:
    #       - user:eve@example.com
    #       role: roles/resourcemanager.organizationViewer
    #       condition:
    #         title: expirable access
    #         description: Does not grant access after Sep 2020
    #         expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
    #     etag: BwWWja0YfJA=
    #     version: 3
    # ```
    #
    # For a description of IAM and its features, see the
    # [IAM documentation](https://cloud.google.com/iam/docs/).
  &quot;auditConfigs&quot;: [ # Specifies cloud audit logging configuration for this policy.
    { # Specifies the audit configuration for a service.
        # The configuration determines which permission types are logged, and what
        # identities, if any, are exempted from logging.
        # An AuditConfig must have one or more AuditLogConfigs.
        #
        # If there are AuditConfigs for both `allServices` and a specific service,
        # the union of the two AuditConfigs is used for that service: the log_types
        # specified in each AuditConfig are enabled, and the exempted_members in each
        # AuditLogConfig are exempted.
        #
        # Example Policy with multiple AuditConfigs:
        #
        #     {
        #       &quot;audit_configs&quot;: [
        #         {
        #           &quot;service&quot;: &quot;allServices&quot;,
        #           &quot;audit_log_configs&quot;: [
        #             {
        #               &quot;log_type&quot;: &quot;DATA_READ&quot;,
        #               &quot;exempted_members&quot;: [
        #                 &quot;user:jose@example.com&quot;
        #               ]
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;ADMIN_READ&quot;
        #             }
        #           ]
        #         },
        #         {
        #           &quot;service&quot;: &quot;sampleservice.googleapis.com&quot;,
        #           &quot;audit_log_configs&quot;: [
        #             {
        #               &quot;log_type&quot;: &quot;DATA_READ&quot;
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;,
        #               &quot;exempted_members&quot;: [
        #                 &quot;user:aliya@example.com&quot;
        #               ]
        #             }
        #           ]
        #         }
        #       ]
        #     }
        #
        # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ
        # logging. It also exempts `jose@example.com` from DATA_READ logging, and
        # `aliya@example.com` from DATA_WRITE logging.
      &quot;auditLogConfigs&quot;: [ # The configuration for logging of each type of permission.
        { # Provides the configuration for logging a type of permissions.
            # Example:
            #
            #     {
            #       &quot;audit_log_configs&quot;: [
            #         {
            #           &quot;log_type&quot;: &quot;DATA_READ&quot;,
            #           &quot;exempted_members&quot;: [
            #             &quot;user:jose@example.com&quot;
            #           ]
            #         },
            #         {
            #           &quot;log_type&quot;: &quot;DATA_WRITE&quot;
            #         }
            #       ]
            #     }
            #
            # This enables &#x27;DATA_READ&#x27; and &#x27;DATA_WRITE&#x27; logging, while exempting
            # jose@example.com from DATA_READ logging.
          &quot;exemptedMembers&quot;: [ # Specifies the identities that do not cause logging for this type of
              # permission.
              # Follows the same format of Binding.members.
            &quot;A String&quot;,
          ],
          &quot;logType&quot;: &quot;A String&quot;, # The log type that this config enables.
        },
      ],
      &quot;service&quot;: &quot;A String&quot;, # Specifies a service that will be enabled for audit logging.
          # For example, `storage.googleapis.com`, `cloudsql.googleapis.com`.
          # `allServices` is a special value that covers all services.
    },
  ],
  &quot;bindings&quot;: [ # Associates a list of `members`, or principals, with a `role`. Optionally,
      # may specify a `condition` that determines how and when the `bindings` are
      # applied. Each of the `bindings` must contain at least one principal.
      #
      # The `bindings` in a `Policy` can refer to up to 1,500 principals; up to 250
      # of these principals can be Google groups. Each occurrence of a principal
      # counts towards these limits. For example, if the `bindings` grant 50
      # different roles to `user:alice@example.com`, and not to any other
      # principal, then you can add another 1,450 principals to the `bindings` in
      # the `Policy`.
    { # Associates `members`, or principals, with a `role`.
      &quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
          #
          # If the condition evaluates to `true`, then this binding applies to the
          # current request.
          #
          # If the condition evaluates to `false`, then this binding does not apply to
          # the current request. However, a different role binding might grant the same
          # role to one or more of the principals in this binding.
          #
          # To learn which resources support conditions in their IAM policies, see the
          # [IAM
          # documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
          # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
          # are documented at https://github.com/google/cel-spec.
          #
          # Example (Comparison):
          #
          #     title: &quot;Summary size limit&quot;
          #     description: &quot;Determines if a summary is less than 100 chars&quot;
          #     expression: &quot;document.summary.size() &lt; 100&quot;
          #
          # Example (Equality):
          #
          #     title: &quot;Requestor is owner&quot;
          #     description: &quot;Determines if requestor is the document owner&quot;
          #     expression: &quot;document.owner == request.auth.claims.email&quot;
          #
          # Example (Logic):
          #
          #     title: &quot;Public documents&quot;
          #     description: &quot;Determine whether the document should be publicly visible&quot;
          #     expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
          #
          # Example (Data Manipulation):
          #
          #     title: &quot;Notification string&quot;
          #     description: &quot;Create a notification string with a timestamp.&quot;
          #     expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
          #
          # The exact variables and functions that may be referenced within an expression
          # are determined by the service that evaluates it. See the service
          # documentation for additional information.
        &quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
            # describes the expression, e.g. when hovered over it in a UI.
        &quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
            # syntax.
        &quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
            # reporting, e.g. a file name and a position in the file.
        &quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
            # its purpose. This can be used e.g. in UIs which allow to enter the
            # expression.
      },
      &quot;members&quot;: [ # Specifies the principals requesting access for a Google Cloud resource.
          # `members` can have the following values:
          #
          # * `allUsers`: A special identifier that represents anyone who is
          #    on the internet; with or without a Google account.
          #
          # * `allAuthenticatedUsers`: A special identifier that represents anyone
          #    who is authenticated with a Google account or a service account.
          #    Does not include identities that come from external identity providers
          #    (IdPs) through identity federation.
          #
          # * `user:{emailid}`: An email address that represents a specific Google
          #    account. For example, `alice@example.com` .
          #
          #
          # * `serviceAccount:{emailid}`: An email address that represents a Google
          #    service account. For example,
          #    `my-other-app@appspot.gserviceaccount.com`.
          #
          # * `serviceAccount:{projectid}.svc.id.goog[{namespace}/{kubernetes-sa}]`: An
          #    identifier for a
          #    [Kubernetes service
          #    account](https://cloud.google.com/kubernetes-engine/docs/how-to/kubernetes-service-accounts).
          #    For example, `my-project.svc.id.goog[my-namespace/my-kubernetes-sa]`.
          #
          # * `group:{emailid}`: An email address that represents a Google group.
          #    For example, `admins@example.com`.
          #
          #
          # * `domain:{domain}`: The G Suite domain (primary) that represents all the
          #    users of that domain. For example, `google.com` or `example.com`.
          #
          #
          #
          #
          # * `principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workforce identity pool.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/group/{group_id}`:
          #   All workforce identities in a group.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All workforce identities with a specific attribute value.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/*`:
          #   All identities in a workforce identity pool.
          #
          # * `principal://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workload identity pool.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/group/{group_id}`:
          #   A workload identity pool group.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All identities in a workload identity pool with a certain attribute.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/*`:
          #   All identities in a workload identity pool.
          #
          # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a user that has been recently deleted. For
          #    example, `alice@example.com?uid=123456789012345678901`. If the user is
          #    recovered, this value reverts to `user:{emailid}` and the recovered user
          #    retains the role in the binding.
          #
          # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
          #    unique identifier) representing a service account that has been recently
          #    deleted. For example,
          #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
          #    If the service account is undeleted, this value reverts to
          #    `serviceAccount:{emailid}` and the undeleted service account retains the
          #    role in the binding.
          #
          # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a Google group that has been recently
          #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
          #    the group is recovered, this value reverts to `group:{emailid}` and the
          #    recovered group retains the role in the binding.
          #
          # * `deleted:principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   Deleted single identity in a workforce identity pool. For example,
          #   `deleted:principal://iam.googleapis.com/locations/global/workforcePools/my-pool-id/subject/my-subject-attribute-value`.
        &quot;A String&quot;,
      ],
      &quot;role&quot;: &quot;A String&quot;, # Role that is assigned to the list of `members`, or principals.
          # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
          #
          # For an overview of the IAM roles and permissions, see the
          # [IAM documentation](https://cloud.google.com/iam/docs/roles-overview). For
          # a list of the available pre-defined roles, see
          # [here](https://cloud.google.com/iam/docs/understanding-roles).
    },
  ],
  &quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
      # prevent simultaneous updates of a policy from overwriting each other.
      # It is strongly suggested that systems make use of the `etag` in the
      # read-modify-write cycle to perform policy updates in order to avoid race
      # conditions: An `etag` is returned in the response to `getIamPolicy`, and
      # systems are expected to put that etag in the request to `setIamPolicy` to
      # ensure that their change will be applied to the same version of the policy.
      #
      # **Important:** If you use IAM Conditions, you must include the `etag` field
      # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
      # you to overwrite a version `3` policy with a version `1` policy, and all of
      # the conditions in the version `3` policy are lost.
  &quot;version&quot;: 42, # Specifies the format of the policy.
      #
      # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
      # are rejected.
      #
      # Any operation that affects conditional role bindings must specify version
      # `3`. This requirement applies to the following operations:
      #
      # * Getting a policy that includes a conditional role binding
      # * Adding a conditional role binding to a policy
      # * Changing a conditional role binding in a policy
      # * Removing any role binding, with or without a condition, from a policy
      #   that includes conditions
      #
      # **Important:** If you use IAM Conditions, you must include the `etag` field
      # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
      # you to overwrite a version `3` policy with a version `1` policy, and all of
      # the conditions in the version `3` policy are lost.
      #
      # If a policy does not include any conditions, operations on that policy may
      # specify any valid version or leave the field unset.
      #
      # To learn which resources support conditions in their IAM policies, see the
      # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
}</pre>
</div>

<div class="method">
    <code class="details" id="insert">insert(project, body=None, requestId=None, x__xgafv=None)</code>
  <pre>Creates a BackendBucket resource in the specified project using
the data included in the request.

Args:
  project: string, Project ID for this request. (required)
  body: object, The request body.
    The object takes the form of:

{ # Represents a Cloud Storage Bucket resource.
    # 
    # This Cloud Storage bucket resource is referenced by a URL map of a load
    # balancer. For more information, readBackend Buckets.
  &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
  &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
    &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
        # Pragma or Authorization headers. Up to 5 headers can be specified.
        # The cache is bypassed for all cdnPolicy.cacheMode settings.
      { # Bypass the cache when the specified request headers are present,
          # e.g. Pragma or Authorization headers. Values are case insensitive.
          # The presence of such a header overrides the cache_mode setting.
        &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
            # Values are case-insensitive.
      },
    ],
    &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
        # Cloud CDN.
      &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
        &quot;A String&quot;,
      ],
      &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
          # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
          # and not treated as delimiters.
        &quot;A String&quot;,
      ],
    },
    &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
        # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
        # headers to cache content. Responses without these headers will not be
        # cached at Google&#x27;s edge, and will require a full trip to the origin on
        # every request, potentially impacting performance and increasing load on
        # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
        # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
        # Warning: this may result in Cloud CDN caching private,
        # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
        # including common image formats, media (video and audio), and web assets
        # (JavaScript and CSS). Requests and responses that are marked as
        # uncacheable, as well as dynamic content (including HTML), will not be
        # cached.
        #
        # If no value is provided for cdnPolicy.cacheMode, it defaults
        # to CACHE_ALL_STATIC.
    &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
        # used to clamp the max-age (or Expires) value sent to the client.  With
        # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
        # response max-age directive, along with a &quot;public&quot; directive.  For
        # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
        # from the origin (if specified), or else sets the response max-age
        # directive to the lesser of the client_ttl and default_ttl, and also
        # ensures a &quot;public&quot; cache-control directive is present.
        # If a client TTL is not specified, a default value (1 hour) will be used.
        # The maximum allowed value is 31,622,400s (1 year).
    &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
        # responses that do not have an existing valid TTL (max-age or s-maxage).
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The value of defaultTTL cannot be set to a value greater than that of
        # maxTTL, but can be equal.
        # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
        # will overwrite the TTL set in all responses. The maximum allowed value is
        # 31,622,400s (1 year), noting that infrequently accessed objects may be
        # evicted from the cache before the defined TTL.
    &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
        # origin.
        # Cache directives that attempt to set a max-age or s-maxage higher than
        # this, or an Expires header more than maxTTL seconds in the future will
        # be capped at the value of maxTTL, as if it were the value of an
        # s-maxage Cache-Control directive.
        # Headers sent to the client will not be modified.
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The maximum allowed value is 31,622,400s (1 year), noting that
        # infrequently accessed objects may be evicted from the cache before
        # the defined TTL.
    &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
        # to apply fine-grained caching for common errors or redirects.
        # This can reduce the load on your origin and improve end-user
        # experience by reducing response latency.
        # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
        # negative caching applies to responses with the specified response code
        # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
        # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
        # to all responses with the specified response code, and override any
        # caching headers.
        # By default, Cloud CDN will apply the following default TTLs to these
        # status codes:
        # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
        # HTTP 404 (Not Found), 410 (Gone),
        # 451 (Unavailable For Legal Reasons): 120s
        # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
        # These defaults can be overridden in negative_caching_policy.
    &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
        # negative_caching must be enabled to configure negative_caching_policy.
        # Omitting the policy and leaving negative_caching enabled will use
        # Cloud CDN&#x27;s default cache TTLs.
        # Note that when specifying an explicit negative_caching_policy, you
        # should take care to specify a cache TTL for all response codes
        # that you wish to cache. Cloud CDN will not apply any default
        # negative caching when a policy exists.
      { # Specify CDN TTLs for response error codes.
        &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
            # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
            # specified as values, and you cannot specify a status code more than
            # once.
        &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
            # corresponding status code.
            # The maximum allowed value is 1800s (30 minutes), noting that
            # infrequently accessed objects may be evicted from the cache before the
            # defined TTL.
      },
    ],
    &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
        # requests into a small number of requests to the origin.
    &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
        # content with the origin, or when an error is encountered when refreshing
        # the cache.
        # This setting defines the default &quot;max-stale&quot; duration for any cached
        # responses that do not specify a max-stale directive. Stale responses that
        # exceed the TTL configured here will not be served. The default limit
        # (max-stale) is 86400s (1 day), which will allow stale content to be
        # served up to this limit beyond the max-age (or s-maxage) of a cached
        # response.
        # The maximum allowed value is 604800 (1 week).
        # Set this to zero (0) to disable serve-while-stale.
    &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
        # considered fresh. After this time period, the response will be
        # revalidated before being served. Defaults to 1hr (3600s).  When serving
        # responses to signed URL requests, Cloud CDN will internally behave as
        # though all responses from this backend had a &quot;Cache-Control:
        # public, max-age=[TTL]&quot; header, regardless of any existing
        # Cache-Control header. The actual headers served in responses will not be
        # altered.
    &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
      &quot;A String&quot;,
    ],
  },
  &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
      # the client&#x27;s Accept-Encoding header.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
      # text format.
  &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
    &quot;A String&quot;,
  ],
  &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
      # when the resource is created.
  &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
      # this backend bucket.
  &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
      # load balancer.
      # 
      # If loadBalancingScheme is not specified, the backend bucket can be used by
      # classic global external load balancers, or global application external load
      # balancers, or both.
  &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
      # The name must be 1-63 characters long, and comply withRFC1035.
      # Specifically, the name must be 1-63 characters long and match the regular
      # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
      # character must be a lowercase letter, and all following characters must
      # be a dash, lowercase letter, or digit, except the last character, which
      # cannot be a dash.
  &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
      # as part of resource payload.
    &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
        # Tag keys and values have the same definition as resource
        # manager tags. The field is allowed for INSERT
        # only. The keys/values to set on the resource should be specified in
        # either ID { : } or Namespaced format
        # { : }.
        # For example the following are valid inputs:
        # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
        # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
        # Note:
        # * Invalid combinations of ID &amp; namespaced format is not supported. For
        #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
      &quot;a_key&quot;: &quot;A String&quot;,
    },
  },
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
      # resides. This field is not applicable to global backend buckets.
      # You must specify this field as part of the HTTP request URL. It is
      # not settable as a field in the request body.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
    {
      &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
          # BackendBucket.
    },
  ],
}

  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="list">list(project, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, x__xgafv=None)</code>
  <pre>Retrieves the list of BackendBucket resources available to the specified
project.

Args:
  project: string, Project ID for this request. (required)
  filter: string, A filter expression that filters resources listed in the response. Most
Compute resources support two types of filter expressions:
expressions that support regular expressions and expressions that follow
API improvement proposal AIP-160.
These two types of filter expressions cannot be mixed in one request.

If you want to use AIP-160, your expression must specify the field name, an
operator, and the value that you want to use for filtering. The value
must be a string, a number, or a boolean. The operator
must be either `=`, `!=`, `&gt;`, `&lt;`, `&lt;=`, `&gt;=` or `:`.

For example, if you are filtering Compute Engine instances, you can
exclude instances named `example-instance` by specifying
`name != example-instance`.

The `:*` comparison can be used to test whether a key has been defined.
For example, to find all objects with `owner` label use:
```
labels.owner:*
```

You can also filter nested fields. For example, you could specify
`scheduling.automaticRestart = false` to include instances only
if they are not scheduled for automatic restarts. You can use filtering
on nested fields to filter based onresource labels.

To filter on multiple expressions, provide each separate expression within
parentheses. For example:
```
(scheduling.automaticRestart = true)
(cpuPlatform = &quot;Intel Skylake&quot;)
```
By default, each expression is an `AND` expression. However, you
can include `AND` and `OR` expressions explicitly.
For example:
```
(cpuPlatform = &quot;Intel Skylake&quot;) OR
(cpuPlatform = &quot;Intel Broadwell&quot;) AND
(scheduling.automaticRestart = true)
```

If you want to use a regular expression, use the `eq` (equal) or `ne`
(not equal) operator against a single un-parenthesized expression with or
without quotes or against multiple parenthesized expressions. Examples:

`fieldname eq unquoted literal`
`fieldname eq &#x27;single quoted literal&#x27;`
`fieldname eq &quot;double quoted literal&quot;`
`(fieldname1 eq literal) (fieldname2 ne &quot;literal&quot;)`

The literal value is interpreted as a regular expression using GoogleRE2 library syntax.
The literal value must match the entire field.

For example, to filter for instances that do not end with name &quot;instance&quot;,
you would use `name ne .*instance`.

You cannot combine constraints on multiple fields using regular
expressions.
  maxResults: integer, The maximum number of results per page that should be returned.
If the number of available results is larger than `maxResults`,
Compute Engine returns a `nextPageToken` that can be used to get
the next page of results in subsequent list requests. Acceptable values are
`0` to `500`, inclusive. (Default: `500`)
  orderBy: string, Sorts list results by a certain order. By default, results
are returned in alphanumerical order based on the resource name.

You can also sort results in descending order based on the creation
timestamp using `orderBy=&quot;creationTimestamp desc&quot;`. This sorts
results based on the `creationTimestamp` field in
reverse chronological order (newest result first). Use this to sort
resources like operations so that the newest operation is returned first.

Currently, only sorting by `name` or
`creationTimestamp desc` is supported.
  pageToken: string, Specifies a page token to use. Set `pageToken` to the
`nextPageToken` returned by a previous list request to get
the next page of results.
  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case
of failure. The default value is false.

For example, when partial success behavior is enabled, aggregatedList for a
single zone scope either returns all resources in the zone or no resources,
with an error code.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Contains a list of BackendBucket resources.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;items&quot;: [ # A list of BackendBucket resources.
    { # Represents a Cloud Storage Bucket resource.
        #
        # This Cloud Storage bucket resource is referenced by a URL map of a load
        # balancer. For more information, readBackend Buckets.
      &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
      &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
        &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
            # Pragma or Authorization headers. Up to 5 headers can be specified.
            # The cache is bypassed for all cdnPolicy.cacheMode settings.
          { # Bypass the cache when the specified request headers are present,
              # e.g. Pragma or Authorization headers. Values are case insensitive.
              # The presence of such a header overrides the cache_mode setting.
            &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
                # Values are case-insensitive.
          },
        ],
        &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
            # Cloud CDN.
          &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
            &quot;A String&quot;,
          ],
          &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
              # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
              # and not treated as delimiters.
            &quot;A String&quot;,
          ],
        },
        &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
            # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
            # headers to cache content. Responses without these headers will not be
            # cached at Google&#x27;s edge, and will require a full trip to the origin on
            # every request, potentially impacting performance and increasing load on
            # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
            # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
            # Warning: this may result in Cloud CDN caching private,
            # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
            # including common image formats, media (video and audio), and web assets
            # (JavaScript and CSS). Requests and responses that are marked as
            # uncacheable, as well as dynamic content (including HTML), will not be
            # cached.
            #
            # If no value is provided for cdnPolicy.cacheMode, it defaults
            # to CACHE_ALL_STATIC.
        &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
            # used to clamp the max-age (or Expires) value sent to the client.  With
            # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
            # response max-age directive, along with a &quot;public&quot; directive.  For
            # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
            # from the origin (if specified), or else sets the response max-age
            # directive to the lesser of the client_ttl and default_ttl, and also
            # ensures a &quot;public&quot; cache-control directive is present.
            # If a client TTL is not specified, a default value (1 hour) will be used.
            # The maximum allowed value is 31,622,400s (1 year).
        &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
            # responses that do not have an existing valid TTL (max-age or s-maxage).
            # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
            # The value of defaultTTL cannot be set to a value greater than that of
            # maxTTL, but can be equal.
            # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
            # will overwrite the TTL set in all responses. The maximum allowed value is
            # 31,622,400s (1 year), noting that infrequently accessed objects may be
            # evicted from the cache before the defined TTL.
        &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
            # origin.
            # Cache directives that attempt to set a max-age or s-maxage higher than
            # this, or an Expires header more than maxTTL seconds in the future will
            # be capped at the value of maxTTL, as if it were the value of an
            # s-maxage Cache-Control directive.
            # Headers sent to the client will not be modified.
            # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
            # The maximum allowed value is 31,622,400s (1 year), noting that
            # infrequently accessed objects may be evicted from the cache before
            # the defined TTL.
        &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
            # to apply fine-grained caching for common errors or redirects.
            # This can reduce the load on your origin and improve end-user
            # experience by reducing response latency.
            # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
            # negative caching applies to responses with the specified response code
            # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
            # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
            # to all responses with the specified response code, and override any
            # caching headers.
            # By default, Cloud CDN will apply the following default TTLs to these
            # status codes:
            # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
            # HTTP 404 (Not Found), 410 (Gone),
            # 451 (Unavailable For Legal Reasons): 120s
            # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
            # These defaults can be overridden in negative_caching_policy.
        &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
            # negative_caching must be enabled to configure negative_caching_policy.
            # Omitting the policy and leaving negative_caching enabled will use
            # Cloud CDN&#x27;s default cache TTLs.
            # Note that when specifying an explicit negative_caching_policy, you
            # should take care to specify a cache TTL for all response codes
            # that you wish to cache. Cloud CDN will not apply any default
            # negative caching when a policy exists.
          { # Specify CDN TTLs for response error codes.
            &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
                # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
                # specified as values, and you cannot specify a status code more than
                # once.
            &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
                # corresponding status code.
                # The maximum allowed value is 1800s (30 minutes), noting that
                # infrequently accessed objects may be evicted from the cache before the
                # defined TTL.
          },
        ],
        &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
            # requests into a small number of requests to the origin.
        &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
            # content with the origin, or when an error is encountered when refreshing
            # the cache.
            # This setting defines the default &quot;max-stale&quot; duration for any cached
            # responses that do not specify a max-stale directive. Stale responses that
            # exceed the TTL configured here will not be served. The default limit
            # (max-stale) is 86400s (1 day), which will allow stale content to be
            # served up to this limit beyond the max-age (or s-maxage) of a cached
            # response.
            # The maximum allowed value is 604800 (1 week).
            # Set this to zero (0) to disable serve-while-stale.
        &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
            # considered fresh. After this time period, the response will be
            # revalidated before being served. Defaults to 1hr (3600s).  When serving
            # responses to signed URL requests, Cloud CDN will internally behave as
            # though all responses from this backend had a &quot;Cache-Control:
            # public, max-age=[TTL]&quot; header, regardless of any existing
            # Cache-Control header. The actual headers served in responses will not be
            # altered.
        &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
          &quot;A String&quot;,
        ],
      },
      &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
          # the client&#x27;s Accept-Encoding header.
      &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
          # text format.
      &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
        &quot;A String&quot;,
      ],
      &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
          # when the resource is created.
      &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
          # this backend bucket.
      &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
      &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
      &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
      &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
          # load balancer.
          #
          # If loadBalancingScheme is not specified, the backend bucket can be used by
          # classic global external load balancers, or global application external load
          # balancers, or both.
      &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
          # The name must be 1-63 characters long, and comply withRFC1035.
          # Specifically, the name must be 1-63 characters long and match the regular
          # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
          # character must be a lowercase letter, and all following characters must
          # be a dash, lowercase letter, or digit, except the last character, which
          # cannot be a dash.
      &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
          # as part of resource payload.
        &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
            # Tag keys and values have the same definition as resource
            # manager tags. The field is allowed for INSERT
            # only. The keys/values to set on the resource should be specified in
            # either ID { : } or Namespaced format
            # { : }.
            # For example the following are valid inputs:
            # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
            # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
            # Note:
            # * Invalid combinations of ID &amp; namespaced format is not supported. For
            #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
          &quot;a_key&quot;: &quot;A String&quot;,
        },
      },
      &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
          # resides. This field is not applicable to global backend buckets.
          # You must specify this field as part of the HTTP request URL. It is
          # not settable as a field in the request body.
      &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
      &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
      &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
        {
          &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
              # BackendBucket.
        },
      ],
    },
  ],
  &quot;kind&quot;: &quot;compute#backendBucketList&quot;, # Type of resource.
  &quot;nextPageToken&quot;: &quot;A String&quot;, # [Output Only] This token allows you to get the next page of results for
      # list requests. If the number of results is larger thanmaxResults, use the nextPageToken as a value for
      # the query parameter pageToken in the next list request.
      # Subsequent list requests will have their own nextPageToken to
      # continue paging through the results.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource.
  &quot;warning&quot;: { # [Output Only] Informational warning message.
    &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
        # Engine returns NO_RESULTS_ON_PAGE if there
        # are no results in the response.
    &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
        # value format. For example:
        #
        # &quot;data&quot;: [
        #   {
        #    &quot;key&quot;: &quot;scope&quot;,
        #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
        #   }
      {
        &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
            # returned. For example, for warnings where there are no results in a list
            # request for a particular zone, this key might be scope and
            # the key value might be the zone name. Other examples might be a key
            # indicating a deprecated resource and a suggested replacement, or a
            # warning about invalid network settings (for example, if an instance
            # attempts to perform IP forwarding but is not enabled for IP forwarding).
        &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
  },
}</pre>
</div>

<div class="method">
    <code class="details" id="listUsable">listUsable(project, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None, x__xgafv=None)</code>
  <pre>Retrieves a list of all usable backend buckets in the specified project.

Args:
  project: string, Project ID for this request. (required)
  filter: string, A filter expression that filters resources listed in the response. Most
Compute resources support two types of filter expressions:
expressions that support regular expressions and expressions that follow
API improvement proposal AIP-160.
These two types of filter expressions cannot be mixed in one request.

If you want to use AIP-160, your expression must specify the field name, an
operator, and the value that you want to use for filtering. The value
must be a string, a number, or a boolean. The operator
must be either `=`, `!=`, `&gt;`, `&lt;`, `&lt;=`, `&gt;=` or `:`.

For example, if you are filtering Compute Engine instances, you can
exclude instances named `example-instance` by specifying
`name != example-instance`.

The `:*` comparison can be used to test whether a key has been defined.
For example, to find all objects with `owner` label use:
```
labels.owner:*
```

You can also filter nested fields. For example, you could specify
`scheduling.automaticRestart = false` to include instances only
if they are not scheduled for automatic restarts. You can use filtering
on nested fields to filter based onresource labels.

To filter on multiple expressions, provide each separate expression within
parentheses. For example:
```
(scheduling.automaticRestart = true)
(cpuPlatform = &quot;Intel Skylake&quot;)
```
By default, each expression is an `AND` expression. However, you
can include `AND` and `OR` expressions explicitly.
For example:
```
(cpuPlatform = &quot;Intel Skylake&quot;) OR
(cpuPlatform = &quot;Intel Broadwell&quot;) AND
(scheduling.automaticRestart = true)
```

If you want to use a regular expression, use the `eq` (equal) or `ne`
(not equal) operator against a single un-parenthesized expression with or
without quotes or against multiple parenthesized expressions. Examples:

`fieldname eq unquoted literal`
`fieldname eq &#x27;single quoted literal&#x27;`
`fieldname eq &quot;double quoted literal&quot;`
`(fieldname1 eq literal) (fieldname2 ne &quot;literal&quot;)`

The literal value is interpreted as a regular expression using GoogleRE2 library syntax.
The literal value must match the entire field.

For example, to filter for instances that do not end with name &quot;instance&quot;,
you would use `name ne .*instance`.

You cannot combine constraints on multiple fields using regular
expressions.
  maxResults: integer, The maximum number of results per page that should be returned.
If the number of available results is larger than `maxResults`,
Compute Engine returns a `nextPageToken` that can be used to get
the next page of results in subsequent list requests. Acceptable values are
`0` to `500`, inclusive. (Default: `500`)
  orderBy: string, Sorts list results by a certain order. By default, results
are returned in alphanumerical order based on the resource name.

You can also sort results in descending order based on the creation
timestamp using `orderBy=&quot;creationTimestamp desc&quot;`. This sorts
results based on the `creationTimestamp` field in
reverse chronological order (newest result first). Use this to sort
resources like operations so that the newest operation is returned first.

Currently, only sorting by `name` or
`creationTimestamp desc` is supported.
  pageToken: string, Specifies a page token to use. Set `pageToken` to the
`nextPageToken` returned by a previous list request to get
the next page of results.
  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case
of failure. The default value is false.

For example, when partial success behavior is enabled, aggregatedList for a
single zone scope either returns all resources in the zone or no resources,
with an error code.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    {
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;items&quot;: [ # A list of BackendBucket resources.
    { # Represents a Cloud Storage Bucket resource.
        #
        # This Cloud Storage bucket resource is referenced by a URL map of a load
        # balancer. For more information, readBackend Buckets.
      &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
      &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
        &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
            # Pragma or Authorization headers. Up to 5 headers can be specified.
            # The cache is bypassed for all cdnPolicy.cacheMode settings.
          { # Bypass the cache when the specified request headers are present,
              # e.g. Pragma or Authorization headers. Values are case insensitive.
              # The presence of such a header overrides the cache_mode setting.
            &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
                # Values are case-insensitive.
          },
        ],
        &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
            # Cloud CDN.
          &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
            &quot;A String&quot;,
          ],
          &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
              # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
              # and not treated as delimiters.
            &quot;A String&quot;,
          ],
        },
        &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
            # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
            # headers to cache content. Responses without these headers will not be
            # cached at Google&#x27;s edge, and will require a full trip to the origin on
            # every request, potentially impacting performance and increasing load on
            # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
            # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
            # Warning: this may result in Cloud CDN caching private,
            # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
            # including common image formats, media (video and audio), and web assets
            # (JavaScript and CSS). Requests and responses that are marked as
            # uncacheable, as well as dynamic content (including HTML), will not be
            # cached.
            #
            # If no value is provided for cdnPolicy.cacheMode, it defaults
            # to CACHE_ALL_STATIC.
        &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
            # used to clamp the max-age (or Expires) value sent to the client.  With
            # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
            # response max-age directive, along with a &quot;public&quot; directive.  For
            # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
            # from the origin (if specified), or else sets the response max-age
            # directive to the lesser of the client_ttl and default_ttl, and also
            # ensures a &quot;public&quot; cache-control directive is present.
            # If a client TTL is not specified, a default value (1 hour) will be used.
            # The maximum allowed value is 31,622,400s (1 year).
        &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
            # responses that do not have an existing valid TTL (max-age or s-maxage).
            # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
            # The value of defaultTTL cannot be set to a value greater than that of
            # maxTTL, but can be equal.
            # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
            # will overwrite the TTL set in all responses. The maximum allowed value is
            # 31,622,400s (1 year), noting that infrequently accessed objects may be
            # evicted from the cache before the defined TTL.
        &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
            # origin.
            # Cache directives that attempt to set a max-age or s-maxage higher than
            # this, or an Expires header more than maxTTL seconds in the future will
            # be capped at the value of maxTTL, as if it were the value of an
            # s-maxage Cache-Control directive.
            # Headers sent to the client will not be modified.
            # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
            # The maximum allowed value is 31,622,400s (1 year), noting that
            # infrequently accessed objects may be evicted from the cache before
            # the defined TTL.
        &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
            # to apply fine-grained caching for common errors or redirects.
            # This can reduce the load on your origin and improve end-user
            # experience by reducing response latency.
            # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
            # negative caching applies to responses with the specified response code
            # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
            # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
            # to all responses with the specified response code, and override any
            # caching headers.
            # By default, Cloud CDN will apply the following default TTLs to these
            # status codes:
            # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
            # HTTP 404 (Not Found), 410 (Gone),
            # 451 (Unavailable For Legal Reasons): 120s
            # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
            # These defaults can be overridden in negative_caching_policy.
        &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
            # negative_caching must be enabled to configure negative_caching_policy.
            # Omitting the policy and leaving negative_caching enabled will use
            # Cloud CDN&#x27;s default cache TTLs.
            # Note that when specifying an explicit negative_caching_policy, you
            # should take care to specify a cache TTL for all response codes
            # that you wish to cache. Cloud CDN will not apply any default
            # negative caching when a policy exists.
          { # Specify CDN TTLs for response error codes.
            &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
                # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
                # specified as values, and you cannot specify a status code more than
                # once.
            &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
                # corresponding status code.
                # The maximum allowed value is 1800s (30 minutes), noting that
                # infrequently accessed objects may be evicted from the cache before the
                # defined TTL.
          },
        ],
        &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
            # requests into a small number of requests to the origin.
        &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
            # content with the origin, or when an error is encountered when refreshing
            # the cache.
            # This setting defines the default &quot;max-stale&quot; duration for any cached
            # responses that do not specify a max-stale directive. Stale responses that
            # exceed the TTL configured here will not be served. The default limit
            # (max-stale) is 86400s (1 day), which will allow stale content to be
            # served up to this limit beyond the max-age (or s-maxage) of a cached
            # response.
            # The maximum allowed value is 604800 (1 week).
            # Set this to zero (0) to disable serve-while-stale.
        &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
            # considered fresh. After this time period, the response will be
            # revalidated before being served. Defaults to 1hr (3600s).  When serving
            # responses to signed URL requests, Cloud CDN will internally behave as
            # though all responses from this backend had a &quot;Cache-Control:
            # public, max-age=[TTL]&quot; header, regardless of any existing
            # Cache-Control header. The actual headers served in responses will not be
            # altered.
        &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
          &quot;A String&quot;,
        ],
      },
      &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
          # the client&#x27;s Accept-Encoding header.
      &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
          # text format.
      &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
        &quot;A String&quot;,
      ],
      &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
          # when the resource is created.
      &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
          # this backend bucket.
      &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
      &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
      &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
      &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
          # load balancer.
          #
          # If loadBalancingScheme is not specified, the backend bucket can be used by
          # classic global external load balancers, or global application external load
          # balancers, or both.
      &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
          # The name must be 1-63 characters long, and comply withRFC1035.
          # Specifically, the name must be 1-63 characters long and match the regular
          # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
          # character must be a lowercase letter, and all following characters must
          # be a dash, lowercase letter, or digit, except the last character, which
          # cannot be a dash.
      &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
          # as part of resource payload.
        &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
            # Tag keys and values have the same definition as resource
            # manager tags. The field is allowed for INSERT
            # only. The keys/values to set on the resource should be specified in
            # either ID { : } or Namespaced format
            # { : }.
            # For example the following are valid inputs:
            # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
            # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
            # Note:
            # * Invalid combinations of ID &amp; namespaced format is not supported. For
            #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
          &quot;a_key&quot;: &quot;A String&quot;,
        },
      },
      &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
          # resides. This field is not applicable to global backend buckets.
          # You must specify this field as part of the HTTP request URL. It is
          # not settable as a field in the request body.
      &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
      &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
      &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
        {
          &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
              # BackendBucket.
        },
      ],
    },
  ],
  &quot;kind&quot;: &quot;compute#usableBackendBucketList&quot;, # [Output Only] Type of resource. Alwayscompute#usableBackendBucketList for lists of usable backend
      # buckets.
  &quot;nextPageToken&quot;: &quot;A String&quot;, # [Output Only] This token allows you to get the next page of results for
      # list requests. If the number of results is larger thanmaxResults, use the nextPageToken as a value for
      # the query parameter pageToken in the next list request.
      # Subsequent list requests will have their own nextPageToken to
      # continue paging through the results.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource.
  &quot;warning&quot;: { # [Output Only] Informational warning message.
    &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
        # Engine returns NO_RESULTS_ON_PAGE if there
        # are no results in the response.
    &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
        # value format. For example:
        #
        # &quot;data&quot;: [
        #   {
        #    &quot;key&quot;: &quot;scope&quot;,
        #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
        #   }
      {
        &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
            # returned. For example, for warnings where there are no results in a list
            # request for a particular zone, this key might be scope and
            # the key value might be the zone name. Other examples might be a key
            # indicating a deprecated resource and a suggested replacement, or a
            # warning about invalid network settings (for example, if an instance
            # attempts to perform IP forwarding but is not enabled for IP forwarding).
        &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
  },
}</pre>
</div>

<div class="method">
    <code class="details" id="listUsable_next">listUsable_next()</code>
  <pre>Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call &#x27;execute()&#x27; on to request the next
          page. Returns None if there are no more items in the collection.
        </pre>
</div>

<div class="method">
    <code class="details" id="list_next">list_next()</code>
  <pre>Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call &#x27;execute()&#x27; on to request the next
          page. Returns None if there are no more items in the collection.
        </pre>
</div>

<div class="method">
    <code class="details" id="patch">patch(project, backendBucket, body=None, requestId=None, x__xgafv=None)</code>
  <pre>Updates the specified BackendBucket resource with the data included in the
request. This method supportsPATCH
semantics and uses theJSON merge
patch format and processing rules.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to patch. (required)
  body: object, The request body.
    The object takes the form of:

{ # Represents a Cloud Storage Bucket resource.
    # 
    # This Cloud Storage bucket resource is referenced by a URL map of a load
    # balancer. For more information, readBackend Buckets.
  &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
  &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
    &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
        # Pragma or Authorization headers. Up to 5 headers can be specified.
        # The cache is bypassed for all cdnPolicy.cacheMode settings.
      { # Bypass the cache when the specified request headers are present,
          # e.g. Pragma or Authorization headers. Values are case insensitive.
          # The presence of such a header overrides the cache_mode setting.
        &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
            # Values are case-insensitive.
      },
    ],
    &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
        # Cloud CDN.
      &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
        &quot;A String&quot;,
      ],
      &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
          # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
          # and not treated as delimiters.
        &quot;A String&quot;,
      ],
    },
    &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
        # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
        # headers to cache content. Responses without these headers will not be
        # cached at Google&#x27;s edge, and will require a full trip to the origin on
        # every request, potentially impacting performance and increasing load on
        # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
        # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
        # Warning: this may result in Cloud CDN caching private,
        # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
        # including common image formats, media (video and audio), and web assets
        # (JavaScript and CSS). Requests and responses that are marked as
        # uncacheable, as well as dynamic content (including HTML), will not be
        # cached.
        #
        # If no value is provided for cdnPolicy.cacheMode, it defaults
        # to CACHE_ALL_STATIC.
    &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
        # used to clamp the max-age (or Expires) value sent to the client.  With
        # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
        # response max-age directive, along with a &quot;public&quot; directive.  For
        # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
        # from the origin (if specified), or else sets the response max-age
        # directive to the lesser of the client_ttl and default_ttl, and also
        # ensures a &quot;public&quot; cache-control directive is present.
        # If a client TTL is not specified, a default value (1 hour) will be used.
        # The maximum allowed value is 31,622,400s (1 year).
    &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
        # responses that do not have an existing valid TTL (max-age or s-maxage).
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The value of defaultTTL cannot be set to a value greater than that of
        # maxTTL, but can be equal.
        # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
        # will overwrite the TTL set in all responses. The maximum allowed value is
        # 31,622,400s (1 year), noting that infrequently accessed objects may be
        # evicted from the cache before the defined TTL.
    &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
        # origin.
        # Cache directives that attempt to set a max-age or s-maxage higher than
        # this, or an Expires header more than maxTTL seconds in the future will
        # be capped at the value of maxTTL, as if it were the value of an
        # s-maxage Cache-Control directive.
        # Headers sent to the client will not be modified.
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The maximum allowed value is 31,622,400s (1 year), noting that
        # infrequently accessed objects may be evicted from the cache before
        # the defined TTL.
    &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
        # to apply fine-grained caching for common errors or redirects.
        # This can reduce the load on your origin and improve end-user
        # experience by reducing response latency.
        # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
        # negative caching applies to responses with the specified response code
        # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
        # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
        # to all responses with the specified response code, and override any
        # caching headers.
        # By default, Cloud CDN will apply the following default TTLs to these
        # status codes:
        # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
        # HTTP 404 (Not Found), 410 (Gone),
        # 451 (Unavailable For Legal Reasons): 120s
        # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
        # These defaults can be overridden in negative_caching_policy.
    &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
        # negative_caching must be enabled to configure negative_caching_policy.
        # Omitting the policy and leaving negative_caching enabled will use
        # Cloud CDN&#x27;s default cache TTLs.
        # Note that when specifying an explicit negative_caching_policy, you
        # should take care to specify a cache TTL for all response codes
        # that you wish to cache. Cloud CDN will not apply any default
        # negative caching when a policy exists.
      { # Specify CDN TTLs for response error codes.
        &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
            # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
            # specified as values, and you cannot specify a status code more than
            # once.
        &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
            # corresponding status code.
            # The maximum allowed value is 1800s (30 minutes), noting that
            # infrequently accessed objects may be evicted from the cache before the
            # defined TTL.
      },
    ],
    &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
        # requests into a small number of requests to the origin.
    &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
        # content with the origin, or when an error is encountered when refreshing
        # the cache.
        # This setting defines the default &quot;max-stale&quot; duration for any cached
        # responses that do not specify a max-stale directive. Stale responses that
        # exceed the TTL configured here will not be served. The default limit
        # (max-stale) is 86400s (1 day), which will allow stale content to be
        # served up to this limit beyond the max-age (or s-maxage) of a cached
        # response.
        # The maximum allowed value is 604800 (1 week).
        # Set this to zero (0) to disable serve-while-stale.
    &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
        # considered fresh. After this time period, the response will be
        # revalidated before being served. Defaults to 1hr (3600s).  When serving
        # responses to signed URL requests, Cloud CDN will internally behave as
        # though all responses from this backend had a &quot;Cache-Control:
        # public, max-age=[TTL]&quot; header, regardless of any existing
        # Cache-Control header. The actual headers served in responses will not be
        # altered.
    &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
      &quot;A String&quot;,
    ],
  },
  &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
      # the client&#x27;s Accept-Encoding header.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
      # text format.
  &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
    &quot;A String&quot;,
  ],
  &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
      # when the resource is created.
  &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
      # this backend bucket.
  &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
      # load balancer.
      # 
      # If loadBalancingScheme is not specified, the backend bucket can be used by
      # classic global external load balancers, or global application external load
      # balancers, or both.
  &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
      # The name must be 1-63 characters long, and comply withRFC1035.
      # Specifically, the name must be 1-63 characters long and match the regular
      # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
      # character must be a lowercase letter, and all following characters must
      # be a dash, lowercase letter, or digit, except the last character, which
      # cannot be a dash.
  &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
      # as part of resource payload.
    &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
        # Tag keys and values have the same definition as resource
        # manager tags. The field is allowed for INSERT
        # only. The keys/values to set on the resource should be specified in
        # either ID { : } or Namespaced format
        # { : }.
        # For example the following are valid inputs:
        # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
        # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
        # Note:
        # * Invalid combinations of ID &amp; namespaced format is not supported. For
        #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
      &quot;a_key&quot;: &quot;A String&quot;,
    },
  },
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
      # resides. This field is not applicable to global backend buckets.
      # You must specify this field as part of the HTTP request URL. It is
      # not settable as a field in the request body.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
    {
      &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
          # BackendBucket.
    },
  ],
}

  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="setEdgeSecurityPolicy">setEdgeSecurityPolicy(project, backendBucket, body=None, requestId=None, x__xgafv=None)</code>
  <pre>Sets the edge security policy for the specified backend bucket.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to which the security policy should be
set. The name should conform to RFC1035. (required)
  body: object, The request body.
    The object takes the form of:

{
  &quot;securityPolicy&quot;: &quot;A String&quot;,
}

  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

<div class="method">
    <code class="details" id="setIamPolicy">setIamPolicy(project, resource, body=None, x__xgafv=None)</code>
  <pre>Sets the access control policy on the specified resource.
Replaces any existing policy.

Args:
  project: string, Project ID for this request. (required)
  resource: string, Name or id of the resource for this request. (required)
  body: object, The request body.
    The object takes the form of:

{
  &quot;bindings&quot;: [ # Flatten Policy to create a backward compatible wire-format.
      # Deprecated. Use &#x27;policy&#x27; to specify bindings.
    { # Associates `members`, or principals, with a `role`.
      &quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
          #
          # If the condition evaluates to `true`, then this binding applies to the
          # current request.
          #
          # If the condition evaluates to `false`, then this binding does not apply to
          # the current request. However, a different role binding might grant the same
          # role to one or more of the principals in this binding.
          #
          # To learn which resources support conditions in their IAM policies, see the
          # [IAM
          # documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
          # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
          # are documented at https://github.com/google/cel-spec.
          #
          # Example (Comparison):
          #
          #     title: &quot;Summary size limit&quot;
          #     description: &quot;Determines if a summary is less than 100 chars&quot;
          #     expression: &quot;document.summary.size() &lt; 100&quot;
          #
          # Example (Equality):
          #
          #     title: &quot;Requestor is owner&quot;
          #     description: &quot;Determines if requestor is the document owner&quot;
          #     expression: &quot;document.owner == request.auth.claims.email&quot;
          #
          # Example (Logic):
          #
          #     title: &quot;Public documents&quot;
          #     description: &quot;Determine whether the document should be publicly visible&quot;
          #     expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
          #
          # Example (Data Manipulation):
          #
          #     title: &quot;Notification string&quot;
          #     description: &quot;Create a notification string with a timestamp.&quot;
          #     expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
          #
          # The exact variables and functions that may be referenced within an expression
          # are determined by the service that evaluates it. See the service
          # documentation for additional information.
        &quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
            # describes the expression, e.g. when hovered over it in a UI.
        &quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
            # syntax.
        &quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
            # reporting, e.g. a file name and a position in the file.
        &quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
            # its purpose. This can be used e.g. in UIs which allow to enter the
            # expression.
      },
      &quot;members&quot;: [ # Specifies the principals requesting access for a Google Cloud resource.
          # `members` can have the following values:
          #
          # * `allUsers`: A special identifier that represents anyone who is
          #    on the internet; with or without a Google account.
          #
          # * `allAuthenticatedUsers`: A special identifier that represents anyone
          #    who is authenticated with a Google account or a service account.
          #    Does not include identities that come from external identity providers
          #    (IdPs) through identity federation.
          #
          # * `user:{emailid}`: An email address that represents a specific Google
          #    account. For example, `alice@example.com` .
          #
          #
          # * `serviceAccount:{emailid}`: An email address that represents a Google
          #    service account. For example,
          #    `my-other-app@appspot.gserviceaccount.com`.
          #
          # * `serviceAccount:{projectid}.svc.id.goog[{namespace}/{kubernetes-sa}]`: An
          #    identifier for a
          #    [Kubernetes service
          #    account](https://cloud.google.com/kubernetes-engine/docs/how-to/kubernetes-service-accounts).
          #    For example, `my-project.svc.id.goog[my-namespace/my-kubernetes-sa]`.
          #
          # * `group:{emailid}`: An email address that represents a Google group.
          #    For example, `admins@example.com`.
          #
          #
          # * `domain:{domain}`: The G Suite domain (primary) that represents all the
          #    users of that domain. For example, `google.com` or `example.com`.
          #
          #
          #
          #
          # * `principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workforce identity pool.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/group/{group_id}`:
          #   All workforce identities in a group.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All workforce identities with a specific attribute value.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/*`:
          #   All identities in a workforce identity pool.
          #
          # * `principal://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workload identity pool.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/group/{group_id}`:
          #   A workload identity pool group.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All identities in a workload identity pool with a certain attribute.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/*`:
          #   All identities in a workload identity pool.
          #
          # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a user that has been recently deleted. For
          #    example, `alice@example.com?uid=123456789012345678901`. If the user is
          #    recovered, this value reverts to `user:{emailid}` and the recovered user
          #    retains the role in the binding.
          #
          # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
          #    unique identifier) representing a service account that has been recently
          #    deleted. For example,
          #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
          #    If the service account is undeleted, this value reverts to
          #    `serviceAccount:{emailid}` and the undeleted service account retains the
          #    role in the binding.
          #
          # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a Google group that has been recently
          #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
          #    the group is recovered, this value reverts to `group:{emailid}` and the
          #    recovered group retains the role in the binding.
          #
          # * `deleted:principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   Deleted single identity in a workforce identity pool. For example,
          #   `deleted:principal://iam.googleapis.com/locations/global/workforcePools/my-pool-id/subject/my-subject-attribute-value`.
        &quot;A String&quot;,
      ],
      &quot;role&quot;: &quot;A String&quot;, # Role that is assigned to the list of `members`, or principals.
          # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
          #
          # For an overview of the IAM roles and permissions, see the
          # [IAM documentation](https://cloud.google.com/iam/docs/roles-overview). For
          # a list of the available pre-defined roles, see
          # [here](https://cloud.google.com/iam/docs/understanding-roles).
    },
  ],
  &quot;etag&quot;: &quot;A String&quot;, # Flatten Policy to create a backward compatible wire-format.
      # Deprecated. Use &#x27;policy&#x27; to specify the etag.
  &quot;policy&quot;: { # An Identity and Access Management (IAM) policy, which specifies access # REQUIRED: The complete policy to be applied to the &#x27;resource&#x27;. The size of
      # the policy is limited to a few 10s of KB. An empty policy is in general a
      # valid policy but certain services (like Projects) might reject them.
      # controls for Google Cloud resources.
      #
      #
      # A `Policy` is a collection of `bindings`. A `binding` binds one or more
      # `members`, or principals, to a single `role`. Principals can be user
      # accounts, service accounts, Google groups, and domains (such as G Suite). A
      # `role` is a named list of permissions; each `role` can be an IAM predefined
      # role or a user-created custom role.
      #
      # For some types of Google Cloud resources, a `binding` can also specify a
      # `condition`, which is a logical expression that allows access to a resource
      # only if the expression evaluates to `true`. A condition can add constraints
      # based on attributes of the request, the resource, or both. To learn which
      # resources support conditions in their IAM policies, see the
      # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      #
      # **JSON example:**
      #
      # ```
      #     {
      #       &quot;bindings&quot;: [
      #         {
      #           &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
      #           &quot;members&quot;: [
      #             &quot;user:mike@example.com&quot;,
      #             &quot;group:admins@example.com&quot;,
      #             &quot;domain:google.com&quot;,
      #             &quot;serviceAccount:my-project-id@appspot.gserviceaccount.com&quot;
      #           ]
      #         },
      #         {
      #           &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
      #           &quot;members&quot;: [
      #             &quot;user:eve@example.com&quot;
      #           ],
      #           &quot;condition&quot;: {
      #             &quot;title&quot;: &quot;expirable access&quot;,
      #             &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
      #             &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
      #           }
      #         }
      #       ],
      #       &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
      #       &quot;version&quot;: 3
      #     }
      # ```
      #
      # **YAML example:**
      #
      # ```
      #     bindings:
      #     - members:
      #       - user:mike@example.com
      #       - group:admins@example.com
      #       - domain:google.com
      #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
      #       role: roles/resourcemanager.organizationAdmin
      #     - members:
      #       - user:eve@example.com
      #       role: roles/resourcemanager.organizationViewer
      #       condition:
      #         title: expirable access
      #         description: Does not grant access after Sep 2020
      #         expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
      #     etag: BwWWja0YfJA=
      #     version: 3
      # ```
      #
      # For a description of IAM and its features, see the
      # [IAM documentation](https://cloud.google.com/iam/docs/).
    &quot;auditConfigs&quot;: [ # Specifies cloud audit logging configuration for this policy.
      { # Specifies the audit configuration for a service.
          # The configuration determines which permission types are logged, and what
          # identities, if any, are exempted from logging.
          # An AuditConfig must have one or more AuditLogConfigs.
          #
          # If there are AuditConfigs for both `allServices` and a specific service,
          # the union of the two AuditConfigs is used for that service: the log_types
          # specified in each AuditConfig are enabled, and the exempted_members in each
          # AuditLogConfig are exempted.
          #
          # Example Policy with multiple AuditConfigs:
          #
          #     {
          #       &quot;audit_configs&quot;: [
          #         {
          #           &quot;service&quot;: &quot;allServices&quot;,
          #           &quot;audit_log_configs&quot;: [
          #             {
          #               &quot;log_type&quot;: &quot;DATA_READ&quot;,
          #               &quot;exempted_members&quot;: [
          #                 &quot;user:jose@example.com&quot;
          #               ]
          #             },
          #             {
          #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;
          #             },
          #             {
          #               &quot;log_type&quot;: &quot;ADMIN_READ&quot;
          #             }
          #           ]
          #         },
          #         {
          #           &quot;service&quot;: &quot;sampleservice.googleapis.com&quot;,
          #           &quot;audit_log_configs&quot;: [
          #             {
          #               &quot;log_type&quot;: &quot;DATA_READ&quot;
          #             },
          #             {
          #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;,
          #               &quot;exempted_members&quot;: [
          #                 &quot;user:aliya@example.com&quot;
          #               ]
          #             }
          #           ]
          #         }
          #       ]
          #     }
          #
          # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ
          # logging. It also exempts `jose@example.com` from DATA_READ logging, and
          # `aliya@example.com` from DATA_WRITE logging.
        &quot;auditLogConfigs&quot;: [ # The configuration for logging of each type of permission.
          { # Provides the configuration for logging a type of permissions.
              # Example:
              #
              #     {
              #       &quot;audit_log_configs&quot;: [
              #         {
              #           &quot;log_type&quot;: &quot;DATA_READ&quot;,
              #           &quot;exempted_members&quot;: [
              #             &quot;user:jose@example.com&quot;
              #           ]
              #         },
              #         {
              #           &quot;log_type&quot;: &quot;DATA_WRITE&quot;
              #         }
              #       ]
              #     }
              #
              # This enables &#x27;DATA_READ&#x27; and &#x27;DATA_WRITE&#x27; logging, while exempting
              # jose@example.com from DATA_READ logging.
            &quot;exemptedMembers&quot;: [ # Specifies the identities that do not cause logging for this type of
                # permission.
                # Follows the same format of Binding.members.
              &quot;A String&quot;,
            ],
            &quot;logType&quot;: &quot;A String&quot;, # The log type that this config enables.
          },
        ],
        &quot;service&quot;: &quot;A String&quot;, # Specifies a service that will be enabled for audit logging.
            # For example, `storage.googleapis.com`, `cloudsql.googleapis.com`.
            # `allServices` is a special value that covers all services.
      },
    ],
    &quot;bindings&quot;: [ # Associates a list of `members`, or principals, with a `role`. Optionally,
        # may specify a `condition` that determines how and when the `bindings` are
        # applied. Each of the `bindings` must contain at least one principal.
        #
        # The `bindings` in a `Policy` can refer to up to 1,500 principals; up to 250
        # of these principals can be Google groups. Each occurrence of a principal
        # counts towards these limits. For example, if the `bindings` grant 50
        # different roles to `user:alice@example.com`, and not to any other
        # principal, then you can add another 1,450 principals to the `bindings` in
        # the `Policy`.
      { # Associates `members`, or principals, with a `role`.
        &quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
            #
            # If the condition evaluates to `true`, then this binding applies to the
            # current request.
            #
            # If the condition evaluates to `false`, then this binding does not apply to
            # the current request. However, a different role binding might grant the same
            # role to one or more of the principals in this binding.
            #
            # To learn which resources support conditions in their IAM policies, see the
            # [IAM
            # documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
            # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
            # are documented at https://github.com/google/cel-spec.
            #
            # Example (Comparison):
            #
            #     title: &quot;Summary size limit&quot;
            #     description: &quot;Determines if a summary is less than 100 chars&quot;
            #     expression: &quot;document.summary.size() &lt; 100&quot;
            #
            # Example (Equality):
            #
            #     title: &quot;Requestor is owner&quot;
            #     description: &quot;Determines if requestor is the document owner&quot;
            #     expression: &quot;document.owner == request.auth.claims.email&quot;
            #
            # Example (Logic):
            #
            #     title: &quot;Public documents&quot;
            #     description: &quot;Determine whether the document should be publicly visible&quot;
            #     expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
            #
            # Example (Data Manipulation):
            #
            #     title: &quot;Notification string&quot;
            #     description: &quot;Create a notification string with a timestamp.&quot;
            #     expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
            #
            # The exact variables and functions that may be referenced within an expression
            # are determined by the service that evaluates it. See the service
            # documentation for additional information.
          &quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
              # describes the expression, e.g. when hovered over it in a UI.
          &quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
              # syntax.
          &quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
              # reporting, e.g. a file name and a position in the file.
          &quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
              # its purpose. This can be used e.g. in UIs which allow to enter the
              # expression.
        },
        &quot;members&quot;: [ # Specifies the principals requesting access for a Google Cloud resource.
            # `members` can have the following values:
            #
            # * `allUsers`: A special identifier that represents anyone who is
            #    on the internet; with or without a Google account.
            #
            # * `allAuthenticatedUsers`: A special identifier that represents anyone
            #    who is authenticated with a Google account or a service account.
            #    Does not include identities that come from external identity providers
            #    (IdPs) through identity federation.
            #
            # * `user:{emailid}`: An email address that represents a specific Google
            #    account. For example, `alice@example.com` .
            #
            #
            # * `serviceAccount:{emailid}`: An email address that represents a Google
            #    service account. For example,
            #    `my-other-app@appspot.gserviceaccount.com`.
            #
            # * `serviceAccount:{projectid}.svc.id.goog[{namespace}/{kubernetes-sa}]`: An
            #    identifier for a
            #    [Kubernetes service
            #    account](https://cloud.google.com/kubernetes-engine/docs/how-to/kubernetes-service-accounts).
            #    For example, `my-project.svc.id.goog[my-namespace/my-kubernetes-sa]`.
            #
            # * `group:{emailid}`: An email address that represents a Google group.
            #    For example, `admins@example.com`.
            #
            #
            # * `domain:{domain}`: The G Suite domain (primary) that represents all the
            #    users of that domain. For example, `google.com` or `example.com`.
            #
            #
            #
            #
            # * `principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
            #   A single identity in a workforce identity pool.
            #
            # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/group/{group_id}`:
            #   All workforce identities in a group.
            #
            # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
            #   All workforce identities with a specific attribute value.
            #
            # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/*`:
            #   All identities in a workforce identity pool.
            #
            # * `principal://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/subject/{subject_attribute_value}`:
            #   A single identity in a workload identity pool.
            #
            # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/group/{group_id}`:
            #   A workload identity pool group.
            #
            # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
            #   All identities in a workload identity pool with a certain attribute.
            #
            # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/*`:
            #   All identities in a workload identity pool.
            #
            # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
            #    identifier) representing a user that has been recently deleted. For
            #    example, `alice@example.com?uid=123456789012345678901`. If the user is
            #    recovered, this value reverts to `user:{emailid}` and the recovered user
            #    retains the role in the binding.
            #
            # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
            #    unique identifier) representing a service account that has been recently
            #    deleted. For example,
            #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
            #    If the service account is undeleted, this value reverts to
            #    `serviceAccount:{emailid}` and the undeleted service account retains the
            #    role in the binding.
            #
            # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
            #    identifier) representing a Google group that has been recently
            #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
            #    the group is recovered, this value reverts to `group:{emailid}` and the
            #    recovered group retains the role in the binding.
            #
            # * `deleted:principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
            #   Deleted single identity in a workforce identity pool. For example,
            #   `deleted:principal://iam.googleapis.com/locations/global/workforcePools/my-pool-id/subject/my-subject-attribute-value`.
          &quot;A String&quot;,
        ],
        &quot;role&quot;: &quot;A String&quot;, # Role that is assigned to the list of `members`, or principals.
            # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
            #
            # For an overview of the IAM roles and permissions, see the
            # [IAM documentation](https://cloud.google.com/iam/docs/roles-overview). For
            # a list of the available pre-defined roles, see
            # [here](https://cloud.google.com/iam/docs/understanding-roles).
      },
    ],
    &quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
        # prevent simultaneous updates of a policy from overwriting each other.
        # It is strongly suggested that systems make use of the `etag` in the
        # read-modify-write cycle to perform policy updates in order to avoid race
        # conditions: An `etag` is returned in the response to `getIamPolicy`, and
        # systems are expected to put that etag in the request to `setIamPolicy` to
        # ensure that their change will be applied to the same version of the policy.
        #
        # **Important:** If you use IAM Conditions, you must include the `etag` field
        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
        # you to overwrite a version `3` policy with a version `1` policy, and all of
        # the conditions in the version `3` policy are lost.
    &quot;version&quot;: 42, # Specifies the format of the policy.
        #
        # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
        # are rejected.
        #
        # Any operation that affects conditional role bindings must specify version
        # `3`. This requirement applies to the following operations:
        #
        # * Getting a policy that includes a conditional role binding
        # * Adding a conditional role binding to a policy
        # * Changing a conditional role binding in a policy
        # * Removing any role binding, with or without a condition, from a policy
        #   that includes conditions
        #
        # **Important:** If you use IAM Conditions, you must include the `etag` field
        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
        # you to overwrite a version `3` policy with a version `1` policy, and all of
        # the conditions in the version `3` policy are lost.
        #
        # If a policy does not include any conditions, operations on that policy may
        # specify any valid version or leave the field unset.
        #
        # To learn which resources support conditions in their IAM policies, see the
        # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
  },
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # An Identity and Access Management (IAM) policy, which specifies access
    # controls for Google Cloud resources.
    #
    #
    # A `Policy` is a collection of `bindings`. A `binding` binds one or more
    # `members`, or principals, to a single `role`. Principals can be user
    # accounts, service accounts, Google groups, and domains (such as G Suite). A
    # `role` is a named list of permissions; each `role` can be an IAM predefined
    # role or a user-created custom role.
    #
    # For some types of Google Cloud resources, a `binding` can also specify a
    # `condition`, which is a logical expression that allows access to a resource
    # only if the expression evaluates to `true`. A condition can add constraints
    # based on attributes of the request, the resource, or both. To learn which
    # resources support conditions in their IAM policies, see the
    # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
    #
    # **JSON example:**
    #
    # ```
    #     {
    #       &quot;bindings&quot;: [
    #         {
    #           &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
    #           &quot;members&quot;: [
    #             &quot;user:mike@example.com&quot;,
    #             &quot;group:admins@example.com&quot;,
    #             &quot;domain:google.com&quot;,
    #             &quot;serviceAccount:my-project-id@appspot.gserviceaccount.com&quot;
    #           ]
    #         },
    #         {
    #           &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
    #           &quot;members&quot;: [
    #             &quot;user:eve@example.com&quot;
    #           ],
    #           &quot;condition&quot;: {
    #             &quot;title&quot;: &quot;expirable access&quot;,
    #             &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
    #             &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
    #           }
    #         }
    #       ],
    #       &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
    #       &quot;version&quot;: 3
    #     }
    # ```
    #
    # **YAML example:**
    #
    # ```
    #     bindings:
    #     - members:
    #       - user:mike@example.com
    #       - group:admins@example.com
    #       - domain:google.com
    #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
    #       role: roles/resourcemanager.organizationAdmin
    #     - members:
    #       - user:eve@example.com
    #       role: roles/resourcemanager.organizationViewer
    #       condition:
    #         title: expirable access
    #         description: Does not grant access after Sep 2020
    #         expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
    #     etag: BwWWja0YfJA=
    #     version: 3
    # ```
    #
    # For a description of IAM and its features, see the
    # [IAM documentation](https://cloud.google.com/iam/docs/).
  &quot;auditConfigs&quot;: [ # Specifies cloud audit logging configuration for this policy.
    { # Specifies the audit configuration for a service.
        # The configuration determines which permission types are logged, and what
        # identities, if any, are exempted from logging.
        # An AuditConfig must have one or more AuditLogConfigs.
        #
        # If there are AuditConfigs for both `allServices` and a specific service,
        # the union of the two AuditConfigs is used for that service: the log_types
        # specified in each AuditConfig are enabled, and the exempted_members in each
        # AuditLogConfig are exempted.
        #
        # Example Policy with multiple AuditConfigs:
        #
        #     {
        #       &quot;audit_configs&quot;: [
        #         {
        #           &quot;service&quot;: &quot;allServices&quot;,
        #           &quot;audit_log_configs&quot;: [
        #             {
        #               &quot;log_type&quot;: &quot;DATA_READ&quot;,
        #               &quot;exempted_members&quot;: [
        #                 &quot;user:jose@example.com&quot;
        #               ]
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;ADMIN_READ&quot;
        #             }
        #           ]
        #         },
        #         {
        #           &quot;service&quot;: &quot;sampleservice.googleapis.com&quot;,
        #           &quot;audit_log_configs&quot;: [
        #             {
        #               &quot;log_type&quot;: &quot;DATA_READ&quot;
        #             },
        #             {
        #               &quot;log_type&quot;: &quot;DATA_WRITE&quot;,
        #               &quot;exempted_members&quot;: [
        #                 &quot;user:aliya@example.com&quot;
        #               ]
        #             }
        #           ]
        #         }
        #       ]
        #     }
        #
        # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ
        # logging. It also exempts `jose@example.com` from DATA_READ logging, and
        # `aliya@example.com` from DATA_WRITE logging.
      &quot;auditLogConfigs&quot;: [ # The configuration for logging of each type of permission.
        { # Provides the configuration for logging a type of permissions.
            # Example:
            #
            #     {
            #       &quot;audit_log_configs&quot;: [
            #         {
            #           &quot;log_type&quot;: &quot;DATA_READ&quot;,
            #           &quot;exempted_members&quot;: [
            #             &quot;user:jose@example.com&quot;
            #           ]
            #         },
            #         {
            #           &quot;log_type&quot;: &quot;DATA_WRITE&quot;
            #         }
            #       ]
            #     }
            #
            # This enables &#x27;DATA_READ&#x27; and &#x27;DATA_WRITE&#x27; logging, while exempting
            # jose@example.com from DATA_READ logging.
          &quot;exemptedMembers&quot;: [ # Specifies the identities that do not cause logging for this type of
              # permission.
              # Follows the same format of Binding.members.
            &quot;A String&quot;,
          ],
          &quot;logType&quot;: &quot;A String&quot;, # The log type that this config enables.
        },
      ],
      &quot;service&quot;: &quot;A String&quot;, # Specifies a service that will be enabled for audit logging.
          # For example, `storage.googleapis.com`, `cloudsql.googleapis.com`.
          # `allServices` is a special value that covers all services.
    },
  ],
  &quot;bindings&quot;: [ # Associates a list of `members`, or principals, with a `role`. Optionally,
      # may specify a `condition` that determines how and when the `bindings` are
      # applied. Each of the `bindings` must contain at least one principal.
      #
      # The `bindings` in a `Policy` can refer to up to 1,500 principals; up to 250
      # of these principals can be Google groups. Each occurrence of a principal
      # counts towards these limits. For example, if the `bindings` grant 50
      # different roles to `user:alice@example.com`, and not to any other
      # principal, then you can add another 1,450 principals to the `bindings` in
      # the `Policy`.
    { # Associates `members`, or principals, with a `role`.
      &quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
          #
          # If the condition evaluates to `true`, then this binding applies to the
          # current request.
          #
          # If the condition evaluates to `false`, then this binding does not apply to
          # the current request. However, a different role binding might grant the same
          # role to one or more of the principals in this binding.
          #
          # To learn which resources support conditions in their IAM policies, see the
          # [IAM
          # documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
          # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
          # are documented at https://github.com/google/cel-spec.
          #
          # Example (Comparison):
          #
          #     title: &quot;Summary size limit&quot;
          #     description: &quot;Determines if a summary is less than 100 chars&quot;
          #     expression: &quot;document.summary.size() &lt; 100&quot;
          #
          # Example (Equality):
          #
          #     title: &quot;Requestor is owner&quot;
          #     description: &quot;Determines if requestor is the document owner&quot;
          #     expression: &quot;document.owner == request.auth.claims.email&quot;
          #
          # Example (Logic):
          #
          #     title: &quot;Public documents&quot;
          #     description: &quot;Determine whether the document should be publicly visible&quot;
          #     expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
          #
          # Example (Data Manipulation):
          #
          #     title: &quot;Notification string&quot;
          #     description: &quot;Create a notification string with a timestamp.&quot;
          #     expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
          #
          # The exact variables and functions that may be referenced within an expression
          # are determined by the service that evaluates it. See the service
          # documentation for additional information.
        &quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
            # describes the expression, e.g. when hovered over it in a UI.
        &quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
            # syntax.
        &quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
            # reporting, e.g. a file name and a position in the file.
        &quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
            # its purpose. This can be used e.g. in UIs which allow to enter the
            # expression.
      },
      &quot;members&quot;: [ # Specifies the principals requesting access for a Google Cloud resource.
          # `members` can have the following values:
          #
          # * `allUsers`: A special identifier that represents anyone who is
          #    on the internet; with or without a Google account.
          #
          # * `allAuthenticatedUsers`: A special identifier that represents anyone
          #    who is authenticated with a Google account or a service account.
          #    Does not include identities that come from external identity providers
          #    (IdPs) through identity federation.
          #
          # * `user:{emailid}`: An email address that represents a specific Google
          #    account. For example, `alice@example.com` .
          #
          #
          # * `serviceAccount:{emailid}`: An email address that represents a Google
          #    service account. For example,
          #    `my-other-app@appspot.gserviceaccount.com`.
          #
          # * `serviceAccount:{projectid}.svc.id.goog[{namespace}/{kubernetes-sa}]`: An
          #    identifier for a
          #    [Kubernetes service
          #    account](https://cloud.google.com/kubernetes-engine/docs/how-to/kubernetes-service-accounts).
          #    For example, `my-project.svc.id.goog[my-namespace/my-kubernetes-sa]`.
          #
          # * `group:{emailid}`: An email address that represents a Google group.
          #    For example, `admins@example.com`.
          #
          #
          # * `domain:{domain}`: The G Suite domain (primary) that represents all the
          #    users of that domain. For example, `google.com` or `example.com`.
          #
          #
          #
          #
          # * `principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workforce identity pool.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/group/{group_id}`:
          #   All workforce identities in a group.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All workforce identities with a specific attribute value.
          #
          # * `principalSet://iam.googleapis.com/locations/global/workforcePools/{pool_id}/*`:
          #   All identities in a workforce identity pool.
          #
          # * `principal://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/subject/{subject_attribute_value}`:
          #   A single identity in a workload identity pool.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/group/{group_id}`:
          #   A workload identity pool group.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/attribute.{attribute_name}/{attribute_value}`:
          #   All identities in a workload identity pool with a certain attribute.
          #
          # * `principalSet://iam.googleapis.com/projects/{project_number}/locations/global/workloadIdentityPools/{pool_id}/*`:
          #   All identities in a workload identity pool.
          #
          # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a user that has been recently deleted. For
          #    example, `alice@example.com?uid=123456789012345678901`. If the user is
          #    recovered, this value reverts to `user:{emailid}` and the recovered user
          #    retains the role in the binding.
          #
          # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
          #    unique identifier) representing a service account that has been recently
          #    deleted. For example,
          #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
          #    If the service account is undeleted, this value reverts to
          #    `serviceAccount:{emailid}` and the undeleted service account retains the
          #    role in the binding.
          #
          # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
          #    identifier) representing a Google group that has been recently
          #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
          #    the group is recovered, this value reverts to `group:{emailid}` and the
          #    recovered group retains the role in the binding.
          #
          # * `deleted:principal://iam.googleapis.com/locations/global/workforcePools/{pool_id}/subject/{subject_attribute_value}`:
          #   Deleted single identity in a workforce identity pool. For example,
          #   `deleted:principal://iam.googleapis.com/locations/global/workforcePools/my-pool-id/subject/my-subject-attribute-value`.
        &quot;A String&quot;,
      ],
      &quot;role&quot;: &quot;A String&quot;, # Role that is assigned to the list of `members`, or principals.
          # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
          #
          # For an overview of the IAM roles and permissions, see the
          # [IAM documentation](https://cloud.google.com/iam/docs/roles-overview). For
          # a list of the available pre-defined roles, see
          # [here](https://cloud.google.com/iam/docs/understanding-roles).
    },
  ],
  &quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
      # prevent simultaneous updates of a policy from overwriting each other.
      # It is strongly suggested that systems make use of the `etag` in the
      # read-modify-write cycle to perform policy updates in order to avoid race
      # conditions: An `etag` is returned in the response to `getIamPolicy`, and
      # systems are expected to put that etag in the request to `setIamPolicy` to
      # ensure that their change will be applied to the same version of the policy.
      #
      # **Important:** If you use IAM Conditions, you must include the `etag` field
      # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
      # you to overwrite a version `3` policy with a version `1` policy, and all of
      # the conditions in the version `3` policy are lost.
  &quot;version&quot;: 42, # Specifies the format of the policy.
      #
      # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
      # are rejected.
      #
      # Any operation that affects conditional role bindings must specify version
      # `3`. This requirement applies to the following operations:
      #
      # * Getting a policy that includes a conditional role binding
      # * Adding a conditional role binding to a policy
      # * Changing a conditional role binding in a policy
      # * Removing any role binding, with or without a condition, from a policy
      #   that includes conditions
      #
      # **Important:** If you use IAM Conditions, you must include the `etag` field
      # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
      # you to overwrite a version `3` policy with a version `1` policy, and all of
      # the conditions in the version `3` policy are lost.
      #
      # If a policy does not include any conditions, operations on that policy may
      # specify any valid version or leave the field unset.
      #
      # To learn which resources support conditions in their IAM policies, see the
      # [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
}</pre>
</div>

<div class="method">
    <code class="details" id="testIamPermissions">testIamPermissions(project, resource, body=None, x__xgafv=None)</code>
  <pre>Returns permissions that a caller has on the specified resource.

Args:
  project: string, Project ID for this request. (required)
  resource: string, Name or id of the resource for this request. (required)
  body: object, The request body.
    The object takes the form of:

{
  &quot;permissions&quot;: [ # The set of permissions to check for the &#x27;resource&#x27;. Permissions with
      # wildcards (such as &#x27;*&#x27; or &#x27;storage.*&#x27;) are not allowed.
    &quot;A String&quot;,
  ],
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    {
  &quot;permissions&quot;: [ # A subset of `TestPermissionsRequest.permissions` that the caller is
      # allowed.
    &quot;A String&quot;,
  ],
}</pre>
</div>

<div class="method">
    <code class="details" id="update">update(project, backendBucket, body=None, requestId=None, x__xgafv=None)</code>
  <pre>Updates the specified BackendBucket resource with the data included in the
request.

Args:
  project: string, Project ID for this request. (required)
  backendBucket: string, Name of the BackendBucket resource to update. (required)
  body: object, The request body.
    The object takes the form of:

{ # Represents a Cloud Storage Bucket resource.
    # 
    # This Cloud Storage bucket resource is referenced by a URL map of a load
    # balancer. For more information, readBackend Buckets.
  &quot;bucketName&quot;: &quot;A String&quot;, # Cloud Storage bucket name.
  &quot;cdnPolicy&quot;: { # Message containing Cloud CDN configuration for a backend bucket. # Cloud CDN configuration for this BackendBucket.
    &quot;bypassCacheOnRequestHeaders&quot;: [ # Bypass the cache when the specified request headers are matched - e.g.
        # Pragma or Authorization headers. Up to 5 headers can be specified.
        # The cache is bypassed for all cdnPolicy.cacheMode settings.
      { # Bypass the cache when the specified request headers are present,
          # e.g. Pragma or Authorization headers. Values are case insensitive.
          # The presence of such a header overrides the cache_mode setting.
        &quot;headerName&quot;: &quot;A String&quot;, # The header field name to match on when bypassing cache.
            # Values are case-insensitive.
      },
    ],
    &quot;cacheKeyPolicy&quot;: { # Message containing what to include in the cache key for a request for # The CacheKeyPolicy for this CdnPolicy.
        # Cloud CDN.
      &quot;includeHttpHeaders&quot;: [ # Allows HTTP request headers (by name) to be used in the cache key.
        &quot;A String&quot;,
      ],
      &quot;queryStringWhitelist&quot;: [ # Names of query string parameters to include in cache keys. Default
          # parameters are always included. &#x27;&amp;&#x27; and &#x27;=&#x27; will be percent encoded
          # and not treated as delimiters.
        &quot;A String&quot;,
      ],
    },
    &quot;cacheMode&quot;: &quot;A String&quot;, # Specifies the cache setting for all responses from this backend.
        # The possible values are:USE_ORIGIN_HEADERS Requires the origin to set valid caching
        # headers to cache content. Responses without these headers will not be
        # cached at Google&#x27;s edge, and will require a full trip to the origin on
        # every request, potentially impacting performance and increasing load on
        # the origin server.FORCE_CACHE_ALL Cache all content, ignoring any &quot;private&quot;,
        # &quot;no-store&quot; or &quot;no-cache&quot; directives in Cache-Control response headers.
        # Warning: this may result in Cloud CDN caching private,
        # per-user (user identifiable) content.CACHE_ALL_STATIC Automatically cache static content,
        # including common image formats, media (video and audio), and web assets
        # (JavaScript and CSS). Requests and responses that are marked as
        # uncacheable, as well as dynamic content (including HTML), will not be
        # cached.
        #
        # If no value is provided for cdnPolicy.cacheMode, it defaults
        # to CACHE_ALL_STATIC.
    &quot;clientTtl&quot;: 42, # Specifies a separate client (e.g. browser client) maximum TTL. This is
        # used to clamp the max-age (or Expires) value sent to the client.  With
        # FORCE_CACHE_ALL, the lesser of client_ttl and default_ttl is used for the
        # response max-age directive, along with a &quot;public&quot; directive.  For
        # cacheable content in CACHE_ALL_STATIC mode, client_ttl clamps the max-age
        # from the origin (if specified), or else sets the response max-age
        # directive to the lesser of the client_ttl and default_ttl, and also
        # ensures a &quot;public&quot; cache-control directive is present.
        # If a client TTL is not specified, a default value (1 hour) will be used.
        # The maximum allowed value is 31,622,400s (1 year).
    &quot;defaultTtl&quot;: 42, # Specifies the default TTL for cached content served by this origin for
        # responses that do not have an existing valid TTL (max-age or s-maxage).
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The value of defaultTTL cannot be set to a value greater than that of
        # maxTTL, but can be equal.
        # When the cacheMode is set to FORCE_CACHE_ALL, the defaultTTL
        # will overwrite the TTL set in all responses. The maximum allowed value is
        # 31,622,400s (1 year), noting that infrequently accessed objects may be
        # evicted from the cache before the defined TTL.
    &quot;maxTtl&quot;: 42, # Specifies the maximum allowed TTL for cached content served by this
        # origin.
        # Cache directives that attempt to set a max-age or s-maxage higher than
        # this, or an Expires header more than maxTTL seconds in the future will
        # be capped at the value of maxTTL, as if it were the value of an
        # s-maxage Cache-Control directive.
        # Headers sent to the client will not be modified.
        # Setting a TTL of &quot;0&quot; means &quot;always revalidate&quot;.
        # The maximum allowed value is 31,622,400s (1 year), noting that
        # infrequently accessed objects may be evicted from the cache before
        # the defined TTL.
    &quot;negativeCaching&quot;: True or False, # Negative caching allows per-status code TTLs to be set, in order
        # to apply fine-grained caching for common errors or redirects.
        # This can reduce the load on your origin and improve end-user
        # experience by reducing response latency.
        # When the cache mode is set to CACHE_ALL_STATIC or USE_ORIGIN_HEADERS,
        # negative caching applies to responses with the specified response code
        # that lack any Cache-Control, Expires, or Pragma: no-cache directives.
        # When the cache mode is set to FORCE_CACHE_ALL, negative caching applies
        # to all responses with the specified response code, and override any
        # caching headers.
        # By default, Cloud CDN will apply the following default TTLs to these
        # status codes:
        # HTTP 300 (Multiple Choice), 301, 308 (Permanent Redirects): 10m
        # HTTP 404 (Not Found), 410 (Gone),
        # 451 (Unavailable For Legal Reasons): 120s
        # HTTP 405 (Method Not Found), 501 (Not Implemented): 60s.
        # These defaults can be overridden in negative_caching_policy.
    &quot;negativeCachingPolicy&quot;: [ # Sets a cache TTL for the specified HTTP status code.
        # negative_caching must be enabled to configure negative_caching_policy.
        # Omitting the policy and leaving negative_caching enabled will use
        # Cloud CDN&#x27;s default cache TTLs.
        # Note that when specifying an explicit negative_caching_policy, you
        # should take care to specify a cache TTL for all response codes
        # that you wish to cache. Cloud CDN will not apply any default
        # negative caching when a policy exists.
      { # Specify CDN TTLs for response error codes.
        &quot;code&quot;: 42, # The HTTP status code to define a TTL against. Only HTTP status codes
            # 300, 301, 302, 307, 308, 404, 405, 410, 421, 451 and 501 can be
            # specified as values, and you cannot specify a status code more than
            # once.
        &quot;ttl&quot;: 42, # The TTL (in seconds) for which to cache responses with the
            # corresponding status code.
            # The maximum allowed value is 1800s (30 minutes), noting that
            # infrequently accessed objects may be evicted from the cache before the
            # defined TTL.
      },
    ],
    &quot;requestCoalescing&quot;: True or False, # If true then Cloud CDN will combine multiple concurrent cache fill
        # requests into a small number of requests to the origin.
    &quot;serveWhileStale&quot;: 42, # Serve existing content from the cache (if available) when revalidating
        # content with the origin, or when an error is encountered when refreshing
        # the cache.
        # This setting defines the default &quot;max-stale&quot; duration for any cached
        # responses that do not specify a max-stale directive. Stale responses that
        # exceed the TTL configured here will not be served. The default limit
        # (max-stale) is 86400s (1 day), which will allow stale content to be
        # served up to this limit beyond the max-age (or s-maxage) of a cached
        # response.
        # The maximum allowed value is 604800 (1 week).
        # Set this to zero (0) to disable serve-while-stale.
    &quot;signedUrlCacheMaxAgeSec&quot;: &quot;A String&quot;, # Maximum number of seconds the response to a signed URL request will be
        # considered fresh. After this time period, the response will be
        # revalidated before being served. Defaults to 1hr (3600s).  When serving
        # responses to signed URL requests, Cloud CDN will internally behave as
        # though all responses from this backend had a &quot;Cache-Control:
        # public, max-age=[TTL]&quot; header, regardless of any existing
        # Cache-Control header. The actual headers served in responses will not be
        # altered.
    &quot;signedUrlKeyNames&quot;: [ # [Output Only] Names of the keys for signing request URLs.
      &quot;A String&quot;,
    ],
  },
  &quot;compressionMode&quot;: &quot;A String&quot;, # Compress text responses using Brotli or gzip compression, based on
      # the client&#x27;s Accept-Encoding header.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp inRFC3339
      # text format.
  &quot;customResponseHeaders&quot;: [ # Headers that the Application Load Balancer should add to proxied responses.
    &quot;A String&quot;,
  ],
  &quot;description&quot;: &quot;A String&quot;, # An optional textual description of the resource; provided by the client
      # when the resource is created.
  &quot;edgeSecurityPolicy&quot;: &quot;A String&quot;, # [Output Only] The resource URL for the edge security policy associated with
      # this backend bucket.
  &quot;enableCdn&quot;: True or False, # If true, enable Cloud CDN for this BackendBucket.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] Unique identifier for the resource; defined by the server.
  &quot;kind&quot;: &quot;compute#backendBucket&quot;, # Type of the resource.
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # The value can only be INTERNAL_MANAGED for cross-region internal layer 7
      # load balancer.
      # 
      # If loadBalancingScheme is not specified, the backend bucket can be used by
      # classic global external load balancers, or global application external load
      # balancers, or both.
  &quot;name&quot;: &quot;A String&quot;, # Name of the resource. Provided by the client when the resource is created.
      # The name must be 1-63 characters long, and comply withRFC1035.
      # Specifically, the name must be 1-63 characters long and match the regular
      # expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first
      # character must be a lowercase letter, and all following characters must
      # be a dash, lowercase letter, or digit, except the last character, which
      # cannot be a dash.
  &quot;params&quot;: { # Additional Backend Bucket parameters. # Input only. [Input Only] Additional params passed with the request, but not persisted
      # as part of resource payload.
    &quot;resourceManagerTags&quot;: { # Tag keys/values directly bound to this resource.
        # Tag keys and values have the same definition as resource
        # manager tags. The field is allowed for INSERT
        # only. The keys/values to set on the resource should be specified in
        # either ID { : } or Namespaced format
        # { : }.
        # For example the following are valid inputs:
        # * {&quot;tagKeys/333&quot; : &quot;tagValues/444&quot;, &quot;tagKeys/123&quot; : &quot;tagValues/456&quot;}
        # * {&quot;123/environment&quot; : &quot;production&quot;, &quot;345/abc&quot; : &quot;xyz&quot;}
        # Note:
        # * Invalid combinations of ID &amp; namespaced format is not supported. For
        #   instance: {&quot;123/environment&quot; : &quot;tagValues/444&quot;} is invalid.
      &quot;a_key&quot;: &quot;A String&quot;,
    },
  },
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] URL of the region where the regional backend bucket
      # resides. This field is not applicable to global backend buckets.
      # You must specify this field as part of the HTTP request URL. It is
      # not settable as a field in the request body.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;usedBy&quot;: [ # [Output Only] List of resources referencing that backend bucket.
    {
      &quot;reference&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for UrlMaps referencing that
          # BackendBucket.
    },
  ],
}

  requestId: string, An optional request ID to identify requests. Specify a unique request ID so
that if you must retry your request, the server will know to ignore the
request if it has already been completed.

For example, consider a situation where you make an initial request and
the request times out. If you make the request again with the same
request ID, the server can check if original operation with the same
request ID was received, and if so, will ignore the second request. This
prevents clients from accidentally creating duplicate commitments.

The request ID must be
a valid UUID with the exception that zero UUID is not supported
(00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Represents an Operation resource.
    #
    # Google Compute Engine has three Operation resources:
    #
    # * [Global](/compute/docs/reference/rest/alpha/globalOperations)
    # * [Regional](/compute/docs/reference/rest/alpha/regionOperations)
    # * [Zonal](/compute/docs/reference/rest/alpha/zoneOperations)
    #
    # You can use an operation resource to manage asynchronous API requests.
    # For more information, readHandling
    # API responses.
    #
    # Operations can be global, regional or zonal.
    #
    #    - For global operations, use the `globalOperations`
    #    resource.
    #    - For regional operations, use the
    #    `regionOperations` resource.
    #    - For zonal operations, use
    #    the `zoneOperations` resource.
    #
    #
    #
    # For more information, read
    # Global, Regional, and Zonal Resources.
    #
    # Note that completed Operation resources have a limited
    # retention period.
  &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The value of `requestId` if you provided it in the request.
      # Not present otherwise.
  &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Deprecated] This field is deprecated.
  &quot;description&quot;: &quot;A String&quot;, # [Output Only] A textual description of the operation, which is
      # set when the operation is created.
  &quot;endTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was completed. This value is inRFC3339
      # text format.
  &quot;error&quot;: { # [Output Only] If errors are generated during processing of the operation,
      # this field will be populated.
    &quot;errors&quot;: [ # [Output Only] The array of errors encountered while processing this
        # operation.
      {
        &quot;code&quot;: &quot;A String&quot;, # [Output Only] The error type identifier for this error.
        &quot;errorDetails&quot;: [ # [Output Only] An optional list of messages that contain the error
            # details. There is a set of defined message types to use for providing
            # details.The syntax depends on the error code. For example,
            # QuotaExceededInfo will have details when the error code is
            # QUOTA_EXCEEDED.
          {
            &quot;errorInfo&quot;: { # Describes the cause of the error with structured details.
                #
                # Example of an error when contacting the &quot;pubsub.googleapis.com&quot; API when it
                # is not enabled:
                #
                #     { &quot;reason&quot;: &quot;API_DISABLED&quot;
                #       &quot;domain&quot;: &quot;googleapis.com&quot;
                #       &quot;metadata&quot;: {
                #         &quot;resource&quot;: &quot;projects/123&quot;,
                #         &quot;service&quot;: &quot;pubsub.googleapis.com&quot;
                #       }
                #     }
                #
                # This response indicates that the pubsub.googleapis.com API is not enabled.
                #
                # Example of an error that is returned when attempting to create a Spanner
                # instance in a region that is out of stock:
                #
                #     { &quot;reason&quot;: &quot;STOCKOUT&quot;
                #       &quot;domain&quot;: &quot;spanner.googleapis.com&quot;,
                #       &quot;metadata&quot;: {
                #         &quot;availableRegions&quot;: &quot;us-central1,us-east2&quot;
                #       }
                #     }
              &quot;domain&quot;: &quot;A String&quot;, # The logical grouping to which the &quot;reason&quot; belongs. The error domain
                  # is typically the registered service name of the tool or product that
                  # generates the error. Example: &quot;pubsub.googleapis.com&quot;. If the error is
                  # generated by some common infrastructure, the error domain must be a
                  # globally unique value that identifies the infrastructure. For Google API
                  # infrastructure, the error domain is &quot;googleapis.com&quot;.
              &quot;metadatas&quot;: { # Additional structured details about this error.
                  #
                  # Keys must match a regular expression of `a-z+` but should
                  # ideally be lowerCamelCase. Also, they must be limited to 64 characters in
                  # length. When identifying the current value of an exceeded limit, the units
                  # should be contained in the key, not the value.  For example, rather than
                  # `{&quot;instanceLimit&quot;: &quot;100/request&quot;}`, should be returned as,
                  # `{&quot;instanceLimitPerRequest&quot;: &quot;100&quot;}`, if the client exceeds the number of
                  # instances that can be created in a single (batch) request.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;reason&quot;: &quot;A String&quot;, # The reason of the error. This is a constant value that identifies the
                  # proximate cause of the error. Error reasons are unique within a particular
                  # domain of errors. This should be at most 63 characters and match a
                  # regular expression of `A-Z+[A-Z0-9]`, which represents
                  # UPPER_SNAKE_CASE.
            },
            &quot;help&quot;: { # Provides links to documentation or for performing an out of band action.
                #
                # For example, if a quota check failed with an error indicating the calling
                # project hasn&#x27;t enabled the accessed service, this can contain a URL pointing
                # directly to the right place in the developer console to flip the bit.
              &quot;links&quot;: [ # URL(s) pointing to additional information on handling the current error.
                { # Describes a URL link.
                  &quot;description&quot;: &quot;A String&quot;, # Describes what the link offers.
                  &quot;url&quot;: &quot;A String&quot;, # The URL of the link.
                },
              ],
            },
            &quot;localizedMessage&quot;: { # Provides a localized error message that is safe to return to the user
                # which can be attached to an RPC error.
              &quot;locale&quot;: &quot;A String&quot;, # The locale used following the specification defined at
                  # https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
                  # Examples are: &quot;en-US&quot;, &quot;fr-CH&quot;, &quot;es-MX&quot;
              &quot;message&quot;: &quot;A String&quot;, # The localized error message in the above locale.
            },
            &quot;quotaInfo&quot;: { # Additional details for quota exceeded error for resource quota.
              &quot;dimensions&quot;: { # The map holding related quota dimensions.
                &quot;a_key&quot;: &quot;A String&quot;,
              },
              &quot;futureLimit&quot;: 3.14, # Future quota limit being rolled out. The limit&#x27;s unit depends on the quota
                  #  type or metric.
              &quot;limit&quot;: 3.14, # Current effective quota limit. The limit&#x27;s unit depends on the quota type
                  # or metric.
              &quot;limitName&quot;: &quot;A String&quot;, # The name of the quota limit.
              &quot;metricName&quot;: &quot;A String&quot;, # The Compute Engine quota metric name.
              &quot;rolloutStatus&quot;: &quot;A String&quot;, # Rollout status of the future quota limit.
            },
          },
        ],
        &quot;location&quot;: &quot;A String&quot;, # [Output Only] Indicates the field in the request that caused the error.
            # This property is optional.
        &quot;message&quot;: &quot;A String&quot;, # [Output Only] An optional, human-readable error message.
      },
    ],
  },
  &quot;httpErrorMessage&quot;: &quot;A String&quot;, # [Output Only] If the operation fails, this field contains the HTTP error
      # message that was returned, such as `NOT FOUND`.
  &quot;httpErrorStatusCode&quot;: 42, # [Output Only] If the operation fails, this field contains the HTTP error
      # status code that was returned. For example, a `404` means the
      # resource was not found.
  &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the operation. This identifier is
      # defined by the server.
  &quot;insertTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was requested.
      # This value is inRFC3339
      # text format.
  &quot;instancesBulkInsertOperationMetadata&quot;: {
    &quot;perLocationStatus&quot;: { # Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;createdVmCount&quot;: 42, # [Output Only] Count of VMs successfully created so far.
        &quot;deletedVmCount&quot;: 42, # [Output Only] Count of VMs that got deleted during rollback.
        &quot;failedToCreateVmCount&quot;: 42, # [Output Only] Count of VMs that started creating but encountered an
            # error.
        &quot;status&quot;: &quot;A String&quot;, # [Output Only] Creation status of BulkInsert operation - information
            # if the flow is rolling forward or rolling back.
        &quot;targetVmCount&quot;: 42, # [Output Only] Count of VMs originally planned to be created.
      },
    },
  },
  &quot;kind&quot;: &quot;compute#operation&quot;, # [Output Only] Type of the resource. Always `compute#operation` for
      # Operation resources.
  &quot;name&quot;: &quot;A String&quot;, # [Output Only] Name of the operation.
  &quot;operationGroupId&quot;: &quot;A String&quot;, # [Output Only] An ID that represents a group of operations, such as when a
      # group of operations results from a `bulkInsert` API request.
  &quot;operationType&quot;: &quot;A String&quot;, # [Output Only] The type of operation, such as `insert`,
      # `update`, or `delete`, and so on.
  &quot;progress&quot;: 42, # [Output Only] An optional progress indicator that ranges from 0 to 100.
      # There is no requirement that this be linear or support any granularity of
      # operations. This should not be used to guess when the operation will be
      # complete. This number should monotonically increase as the operation
      # progresses.
  &quot;region&quot;: &quot;A String&quot;, # [Output Only] The URL of the region where the operation resides. Only
      # applicable when performing regional operations.
  &quot;selfLink&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for the resource.
  &quot;selfLinkWithId&quot;: &quot;A String&quot;, # [Output Only] Server-defined URL for this resource with the resource id.
  &quot;setCommonInstanceMetadataOperationMetadata&quot;: { # [Output Only] If the operation is for projects.setCommonInstanceMetadata,
      # this field will contain information on all underlying zonal actions and
      # their state.
    &quot;clientOperationId&quot;: &quot;A String&quot;, # [Output Only] The client operation id.
    &quot;perLocationOperations&quot;: { # [Output Only] Status information per location (location name is key).
        # Example key: zones/us-central1-a
      &quot;a_key&quot;: {
        &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # [Output Only] If state is `ABANDONED` or `FAILED`, this field is
            # populated.
            # different programming environments, including REST APIs and RPC APIs. It is
            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
            # three pieces of data: error code, error message, and error details.
            #
            # You can find out more about this error model and how to work with it in the
            # [API Design Guide](https://cloud.google.com/apis/design/errors).
          &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
          &quot;details&quot;: [ # A list of messages that carry the error details.  There is a common set of
              # message types for APIs to use.
            {
              &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
            },
          ],
          &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
              # user-facing error message should be localized and sent in the
              # google.rpc.Status.details field, or localized by the client.
        },
        &quot;state&quot;: &quot;A String&quot;, # [Output Only] Status of the action, which can be one of the following:
            # `PROPAGATING`, `PROPAGATED`, `ABANDONED`, `FAILED`, or `DONE`.
      },
    },
  },
  &quot;startTime&quot;: &quot;A String&quot;, # [Output Only] The time that this operation was started by the server.
      # This value is inRFC3339
      # text format.
  &quot;status&quot;: &quot;A String&quot;, # [Output Only] The status of the operation, which can be one of the
      # following:
      # `PENDING`, `RUNNING`, or `DONE`.
  &quot;statusMessage&quot;: &quot;A String&quot;, # [Output Only] An optional textual description of the current status of the
      # operation.
  &quot;targetId&quot;: &quot;A String&quot;, # [Output Only] The unique target ID, which identifies a specific incarnation
      # of the target resource.
  &quot;targetLink&quot;: &quot;A String&quot;, # [Output Only] The URL of the resource that the operation modifies. For
      # operations related to creating a snapshot, this points to the disk
      # that the snapshot was created from.
  &quot;user&quot;: &quot;A String&quot;, # [Output Only] User who requested the operation, for example:
      # `user@example.com` or
      # `alice_smith_identifier (global/workforcePools/example-com-us-employees)`.
  &quot;warnings&quot;: [ # [Output Only] If warning messages are generated during processing of the
      # operation, this field will be populated.
    {
      &quot;code&quot;: &quot;A String&quot;, # [Output Only] A warning code, if applicable. For example, Compute
          # Engine returns NO_RESULTS_ON_PAGE if there
          # are no results in the response.
      &quot;data&quot;: [ # [Output Only] Metadata about this warning in key:
          # value format. For example:
          #
          # &quot;data&quot;: [
          #   {
          #    &quot;key&quot;: &quot;scope&quot;,
          #    &quot;value&quot;: &quot;zones/us-east1-d&quot;
          #   }
        {
          &quot;key&quot;: &quot;A String&quot;, # [Output Only] A key that provides more detail on the warning being
              # returned. For example, for warnings where there are no results in a list
              # request for a particular zone, this key might be scope and
              # the key value might be the zone name. Other examples might be a key
              # indicating a deprecated resource and a suggested replacement, or a
              # warning about invalid network settings (for example, if an instance
              # attempts to perform IP forwarding but is not enabled for IP forwarding).
          &quot;value&quot;: &quot;A String&quot;, # [Output Only] A warning data value corresponding to the key.
        },
      ],
      &quot;message&quot;: &quot;A String&quot;, # [Output Only] A human-readable description of the warning code.
    },
  ],
  &quot;zone&quot;: &quot;A String&quot;, # [Output Only] The URL of the zone where the operation resides. Only
      # applicable when performing per-zone operations.
}</pre>
</div>

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